111 - Fly Brains, Melting Mozzarella, and Super-Potent Psychedelics - HealthHippieMD Week In Review

Neurons Speak Volumes

Scientists have mapped how neurons in the frontal cortex encode word meanings, marking a breakthrough in understanding language processing. By recording neuron activity in epilepsy patients, researchers discovered that specific cells react to words with related meanings, such as foods or objects. Notably, neurons responded differently when words were presented in context versus randomly, emphasizing the role of context in language comprehension. This research opens doors for advanced speech prostheses, possibly enabling the decoding of meanings from neural activity to help those with communication impairments. Scientists map how neurons encode word meanings - Big Think.

The Rise of Super-Potent Psychedelics

Psychedelic Mushrooms Are Getting Much, Much Stronger | WIRED explores the growing trend of breeding increasingly potent psychedelic mushrooms. With advances in cultivation techniques and genetic manipulation, strains are now reaching unprecedented levels of psilocybin content, sometimes exceeding 5% of psychedelic alkaloids. Self-taught mycologist Julian Mattucci, among others, has seen rapid results in potency enhancement, leading to trips more intense than previously experienced, even at lower doses. This push for stronger mushrooms brings excitement but also risks, as some consumers accidentally take too much, leading to challenging or distressing trips.

Happiness Isn't All It's Cracked Up to Be

In "The Techno-Humanist Manifesto," Jason Crawford argues that happiness is a fleeting, relative measure of well-being and not a reliable indicator of human progress. Instead, Crawford suggests that well-being should be measured by the ability to achieve and fulfill personal values. He critiques the idea that wealth or economic growth alone leads to lasting happiness, pointing out that humans adapt to material gains quickly. True well-being, he contends, is found in constant growth, achievement, and the pursuit of values that give life meaning. Why happiness is not the best indicator of well-being - Big Think.

Pattern Recognition Autopilot

A new study reveals that the human brain unconsciously detects patterns in real-time events by integrating "what" and "when" information. Researchers observed the brain activity of epilepsy patients with implanted electrodes, focusing on neurons in the hippocampus and entorhinal cortex, areas involved in memory and navigation. Even when participants were unaware of patterns in sequences of images, their neurons learned and anticipated future events. This discovery highlights the brain's remarkable ability to process and organize information implicitly, suggesting potential applications for memory-enhancement therapies. How Your Brain Detects Patterns without Conscious Thought | Scientific American.

Melting Mozzarella

The science behind why some cheeses melt smoothly while others, like ricotta, don't hinges on the structure of casein proteins and calcium bonds. Cheeses like mozzarella melt into stretchy goodness due to flexible casein networks, while higher acidity or calcium content can result in stiffer textures. The aging process also plays a role, as enzyme activity alters melting characteristics. Understanding how acid, fat, and water content affect cheese provides insight into the culinary variety of melted and non-melted cheeses. Why Cheeses Such as Mozzarella and Cheddar Melt Differently Than Ricotta | Scientific American.

+And if you're as interested in the the science of food and cooking as I am, check out: On Food and Cooking: The Science and Lore of the Kitchen: McGee, Harold.

How Gaming Can Improve Your Sleep

A systematic review (Video gaming and sleep in adults: A systematic review - PubMed) reveals that certain non-arousing video games, such as word games, can enhance sleep quality by promoting relaxation. However, action-packed games like shooters and MMORPGs are detrimental, keeping players mentally engaged and interfering with sleep. Casual gaming, up to seven hours a week, doesn't negatively affect sleep, but excessive gaming can disrupt sleep architecture. Experts recommend low-stimulation gaming before bed to help unwind, emphasizing moderation and caution with screen exposure before bedtime for optimal rest. These Types of Video Games Might Improve Your Sleep, Research Shows.

Lessons in Emotional Health

Happiness class is helping clinically depressed school teachers become emotionally healthy − with a cheery assist from Aristotle explores an innovative course designed to support teachers struggling with stress and depression through evidence-based happiness practices. Led by clinical psychologist John Sommers-Flanagan, the course teaches interventions inspired by Aristotle's concept of eudaimonic happiness, focusing on meaningful relationships, personal growth, and purpose. Participants learn practical techniques like gratitude and mindfulness to improve mental health, sleep, and overall well-being. Early results show significant reductions in clinical depression among educators, highlighting the course's potential as an emotional health tool for teachers and other high-stress professionals.

Mapping a Fly Brain

The most detailed map of an animal brain ever created, a new study reveals the intricate neural connections of the Drosophila melanogaster (fruit fly). With over 140,000 neurons and 50 million synapses, hundreds of scientists have developed this groundbreaking "connectome" since 2013. The brain's network spans 490 feet, and the findings are expected to provide insights into human neuroscience due to the genetic similarities between flies and humans. The study offers 3-D models and diagrams of the fly brain, pushing the boundaries of our understanding of cognition. A New Map of the Fruit Fly Brain (Thanks, Amy, for the recommendation and for helping bring this work to fruition-pun intended!).

Living Immunocompromised

What Does It Mean to Be Immunocompromised? - The New York Times (gift article) delves into the growing population of immunocompromised individuals in the U.S., highlighting the variety of conditions and treatments that weaken immune systems, from cancer to autoimmune diseases. With approximately 18 million adults affected, being immunocompromised presents heightened risks, even from common illnesses like the cold. It underscores the challenges faced by those with compromised immunity, the impacts of treatment, and how the immune system can recover over time. The piece reveals how these vulnerabilities affect everyday life, raising awareness of this expanding health concern.

105 - Mood Food, Microplastics in the Brain, and Friendship on a Platter - HealthHippieMD Week In Review

Consciousness in Comas

A groundbreaking international study reveals that up to 25% of people with severe brain injuries, previously thought to be unresponsive, may be conscious. These individuals exhibit brain activity when asked to imagine specific actions despite being unable to respond physically. Cognitive motor dissociation suggests that more people in comas or similar states may hear and understand their surroundings. The findings highlight the need for advanced brain-computer interfaces and tailored care to improve communication and outcomes for these patients. 1 in 4 Unresponsive People with Brain Injuries May Be Conscious | Scientific American (thanks, Richard!).

When Psychedelics Mimic Near-Death

A recent study explores the intriguing overlap between near-death experiences (NDEs) and psychedelic trips. Researchers surveyed 31 individuals who had both NDEs and psychedelic experiences, revealing shared sensations such as leaving the earthly realm, altered time perception, and profound peace. While psychedelics often induce stronger visual hallucinations, NDEs are more associated with out-of-body sensations. The study suggests that psychedelics might serve as a window into understanding near-death states, though the full connection between these altered states remains a subject for further research. Psychedelics May Give the Living a Glimpse Into Near-Death States - The New York Times (gift article).

Happiness on a Plate

The Ultimate Happiness Diet - The Atlantic explores the relationship between diet and happiness, emphasizing that how we eat often matters more than what we eat. While various diets promote longevity and health, happiness is closely tied to social eating experiences and moderation. Research suggests that regular, balanced meals with others enhance well-being, while overindulgence in processed foods, alcohol, or strict diets can diminish it. The Spanish eating method—focused on togetherness rather than the food—is a model for a happiness-boosting diet. Ultimately, the joy of eating lies in shared experiences, not just the food.

Unraveling IBD's Mysteries

Recent research into inflammatory bowel disease (IBD) sheds light on potential new therapies by exploring the genetic, immunological, and microbial factors that drive the condition. Studies reveal how gene regulation, rogue antibodies, and gut bacteria contribute to IBD's complexity. These findings suggest tailored treatments for IBD may be possible, although much work remains. With a rising global incidence, these discoveries offer hope for better-targeted therapies, even if only a few patients benefit from these early advances. Solving Inflammatory Bowel Disease's Mysteries May Lead to New Therapies | Scientific American.

Aging Patterns Unveiled

A comprehensive study analyzing nearly 50,000 brain scans has identified five distinct patterns of brain atrophy linked to aging, neurodegenerative diseases, and lifestyle factors like smoking and alcohol consumption. Using deep-learning techniques, researchers created models that detect subtle brain changes over time, offering insights into predicting disease progression, including dementia and Parkinson's. The study highlights the complex interplay between brain anatomy, genetics, and lifestyle, emphasizing the potential for early detection and tailored interventions to combat age-related neurological decline. Brain Scans Reveal Aging Patterns Based on Disease, Alcohol, and Smoking | Scientific American.

A Diabetes Dilemma

Recent studies have reinforced the link between red and processed meat consumption and an increased risk of Type 2 diabetes. A comprehensive analysis involving nearly two million participants across 20 countries found that consuming just 1.8 ounces of processed meat daily raised diabetes risk by 15%, while 3.5 ounces of unprocessed red meat increased it by 10%. Poultry also showed a modest risk increase, though results were less consistent. The research underscores the growing evidence that reducing meat intake could benefit diabetes prevention. Eating Meat Is Linked With Type 2 Diabetes, New Studies Suggest - The New York Times (gift article).

Zepbound for Glory

Eli Lilly's Zepbound, also known as tirzepatide, shows promise in nearly eliminating the risk of type 2 diabetes in overweight and pre-diabetic adults, according to a recent study. Over three years, patients taking Zepbound experienced a 94% reduction in diabetes risk and sustained significant weight loss, averaging a 23% reduction in body weight. These findings bolster the case for broader insurance coverage and potential FDA approval for additional health benefits, positioning Zepbound as a game-changer in obesity and diabetes management. Eli Lilly's Zepbound could eliminate the risk of diabetes in overweight adults: study.

A Tiny Problem, A Huge Headache

The pervasive presence of microplastics, fragments less than 5mm in diameter, has infiltrated the environment and human organs, including the brain. Recent studies reveal that human brain samples contain about 0.5% plastic by weight, raising serious health concerns. Researchers are calling for an immediate global emergency to address this growing plastic pollution crisis, which now impacts air, water, food, and human tissue. The mounting evidence underscores the urgent need to curtail plastic use and mitigate its harmful effects on health and ecosystems. Microplastics Invade Human Brains, Researchers Call For Global Emergency (Thanks, Amy!).

Apps Serving Friendship on a Platter

Social apps are evolving beyond dating, offering platonic meetups over meals to combat loneliness, especially among remote workers and city dwellers. Platforms like The Breakfast and Timeleft pair strangers for breakfast or dinner, fostering deep connections. Users, tired of networking and dating apps, seek genuine social interactions. The trend is growing, with apps like Bumble acquiring friend-focused Geneva. As loneliness rises, these platforms provide a much-needed space for meaningful connections, proving that breaking bread with strangers can create new friendships.Want to meet new people? These apps connect strangers for a meal. - The Washington Post (gift article).

Mood Food

The Connection Between Diet and Mood Disorders Is Growing Stronger — Here's What Researchers Know explores the growing evidence linking diet to mood disorders like anxiety and depression. Research shows that blood sugar fluctuations, driven by high-glycemic foods such as white bread and sugary snacks, can significantly impact mental health. The Mediterranean diet, with its low glycemic index, is highlighted for its potential to stabilize mood. Practical strategies, such as combining carbs with proteins or eating them earlier in the day, are suggested to help manage these effects and support overall mental well-being.

095 - Criticism, Landfills, and Tripping with Toad Venom - HealthHippieMD Week In Review

Dream On

Recent research has made significant strides in understanding sleep. Scientists have discovered more about lucid dreaming and how our brains replay memories during sleep. They've shown that sleep deprivation disrupts brain connectivity, impairing learning and emotional regulation. Furthermore, quality sleep is essential in preventing neurodegenerative diseases by clearing harmful toxins. Finally, new treatments like cognitive behavioral therapy for insomnia (CBT-I) are proving effective in enhancing sleep quality. These breakthroughs highlight the critical role of sleep in overall health and cognitive function. These 5 Sleep Science Breakthroughs Might Help You Get Better Rest.

+see also: Why We Sleep: Unlocking the Power of Sleep and Dreams.

Non-Meditative Mindfulness

Ellen Langer is a psychologist at Harvard who studies the mind-body connection. She's published some of the most counterintuitive studies in Social Science. I learned a lot from this podcast about her work and the history and importance of mindfulness. ‎People I (Mostly) Admire: 133. Pay Attention! (Your Body Will Thank You).

Toadally Psychedelic

5-MeO-DMT, a potent psychedelic from the Sonoran Desert toad, is renowned for its rapid, intense effects. While it holds promise for treating mental health disorders like depression and PTSD, its extraction threatens the toad population. Scientists are developing synthetic versions to alleviate this issue and ensure controlled dosing. Research highlights potential therapeutic benefits and the need for cautious, ethical approaches. As interest in psychedelics rises, the balance between medical advancement and environmental conservation remains crucial. The Promise — And Perils — Of 5-MeO-DMT.

+listen also: my favorite story EVER on NPR: The Dog that Loved to Suck on Toads.

Trimming the Fat on Global Obesity

France bucks the global obesity trend, dropping rates from 10.4% in 1990 to 9.7% in 2020. This contrasts starkly with countries like Egypt and the U.S., where rates have more than doubled. The Programme National Nutrition Santé, launched in 2001, is vital to France's success, focusing on improved nutrition and exercise. The initiative includes public campaigns like Manger Bouger, promoting healthier lifestyles. Meanwhile, Germany's obesity rates have plateaued due to a cultural shift towards healthier eating among younger generations. There's no magical cure, but these nations highlight the impact of proactive health policies and lifestyle changes. How is France dodging the global obesity trend?

Oh, Oh, Oh, Ozempic

Ozempic and other GLP-1 agonists, initially designed for diabetes, now offer benefits beyond weight loss, including reduced risk of heart disease and sleep apnea and potentially aiding in conditions like Alzheimer's and fertility issues. These drugs, often termed a "Swiss Army knife" for health, show promise in treating various ailments through mechanisms involving blood sugar control, organ-specific actions, and reduced inflammation. However, distinguishing the direct effects from those related to weight loss remains complex, and ongoing research is crucial to understand and fully utilize these multi-functional medications. Is Ozempic an Obesity Drug, or an Everything Drug? - The Atlantic.

The Dark Side of Plant-Based Diets

Ultra-processed plant-based foods, such as french fries and pastries, are linked to an increased risk of cardiovascular disease, according to a new study in The Lancet Regional Health-Europe. Research involving 118,000 UK adults reveals that while plant-based diets are beneficial, their health advantages vanish when the foods are ultra-processed. These findings suggest that minimally processed plant-based foods significantly lower the risk of fatal and nonfatal cardiovascular events, unlike their ultra-processed counterparts, which strip away essential nutrients and disrupt the food matrix, undermining heart health. These Ultra-Processed Plant-Based Foods Might Increase the Risk For Many Diseases.

Space Oddities

Four private astronauts spent three days in space aboard Inspiration4, experiencing significant, albeit temporary, changes in their bodies and minds. Research revealed cognitive declines, immune stress, and genetic alterations. Despite returning to normal post-mission, these findings highlight gaps in space medicine. The mission's data, stored in the Space Omics and Medical Atlas, is crucial for future space travel. From diverse backgrounds, the astronauts contributed invaluable insights into the physiological impacts of space, setting the stage for more tailored health measures for upcoming private space missions. Four Astronauts Spent 3 Days in Space. Here's What It Did to Their Bodies and Minds. - The New York Times (gift article).

White House Plans Diet for Landfills

The Biden administration introduced a national strategy to combat food waste, aiming to reduce the 30% of the U.S. food supply in landfills. The plan focuses on extending food shelf life, increasing food donations, and promoting composting. Despite these efforts, the strategy needs to include new regulations and catch up to some state and international laws. Key initiatives include research funding, consumer education, and collaboration with farmers and businesses. Critics view the plan as a positive but insufficient first step towards halving food waste by 2030. White House Takes a Tiny Bite From Giant Pile of Food Waste - The New York Times (gift article).

What Children Remember

Happy Father's Day! The Atlantic published a curated list of stories on fathers. I'm working my way through the list. What children remember - The Atlantic.

Criticism: The Gift That Keeps on Giving

In today's feedback-driven world, mastering the art of receiving and giving criticism is essential for personal happiness and professional growth. Criticism, significantly negative, is challenging to accept due to its impact on our brains and emotions. People with low self-esteem or high competitiveness struggle the most. Individuals can thrive by depersonalizing feedback, viewing it as insider information, and using it constructively. Criticism should be given with care, respect, and good intentions, always privately if negative. Embracing these practices can lead to improved well-being and performance. How to Take—And Give—Criticism Well - The Atlantic.

Gut Instincts

Microbiome research has traditionally focused on stool samples, but recent advancements allow scientists to explore the small intestine, revealing critical insights into gut health. The small intestine microbiome plays a crucial role in digestion, metabolism, and immunity. Disturbances in this area are linked to conditions like IBS, SIBO, and Celiac disease. New technologies like camera capsules facilitate better understanding and treatment development. This shift from focusing solely on the colon to including the small intestine promises significant advancements in microbiome medicine and gut health therapies. Poop has been an easy target for microbiome research, but voyages into the small intestine shed new light on ways to improve gut health.

094 - When Drugs Go Wild, Dodging Microplastics, and The Brain's Fear Gear - HealthHippieMD Week In Review

The Brain's Fear Gear

A recent study, published in Science, elucidated a chemical "switch" in the brainstem's dorsal raphe nucleus of mice that converts stress into fear by altering neurotransmitter release, leading to anxiety disorders and PTSD. This switch involves neurons shifting from releasing glutamate to GABA. Experiments showed that blocking GABA synthesis or using fluoxetine (Prozac) could prevent generalized fear responses. Post-mortem studies on human PTSD patients confirmed this mechanism, opening avenues for targeted treatments. Understanding these molecular processes provides a pathway for developing specific interventions for stress-induced fear and related disorders. The brain's "switch" that puts fear into overdrive - Big Think

Put the 230 Genie Back in the Bottle

The article argues for reforming Section 230 of the Communications Decency Act, which protects online platforms from liability for user-generated content. Originally intended to encourage moderation of harmful content, Section 230 has instead enabled the spread of misinformation, online harassment, and social polarization. The article suggests a "notice-and-takedown" approach and other modifications to hold platforms accountable while preserving the law's benefits. Reform is necessary to mitigate the negative impacts on social discourse and restore some responsibility to the internet. It's Time to Restore Some Sanity to the Internet-Mother Jones.

A Trip Full of Pitfalls

MDMA's approval for PTSD treatment faces significant hurdles after an FDA advisory panel voted against recommending approval due to issues like biased self-reporting and inconsistent psychotherapy standards. The "unblinding" effect, where participants likely knew if they received MDMA or a placebo, raises concerns about the validity of positive outcomes. Allegations of therapist misconduct and insufficient monitoring of side effects further complicate the case. With the FDA's decision pending, the future of MDMA-assisted therapy remains uncertain, highlighting the challenges in proving the efficacy and safety of psychedelic treatments. The panel's decision will slow but likely not dampen interest in the use of psychedelics for mental health. "In many ways, we're creating a new field of medicine," said Lykos' senior medical director, Alia Lilienstein. The Case for MDMA's Approval Is Riddled With Problems | WIRED.

The Potential of Psychedelics

Gül Dölen, a neuroscientist and psychiatric researcher at the University of California, Berkeley, discusses the surprising potential of psychedelics to change the lives of those grappling with addiction, depression, and post-traumatic stress. A must-listen if you're curious about psychedelics and before you get too discouraged by the FDA Panel's decision this week. ‎The Joy of Why: Can Psychedelics Improve Mental Health?

Xylitol's Hidden Risks

Recent research highlights a concerning link between the popular sugar substitute xylitol and an increased risk of heart attack and stroke. While xylitol is widely used for its dental benefits and low-calorie content, new findings suggest potential cardiovascular dangers. This revelation urges caution for those seeking healthier sweetener alternatives, emphasizing the need for further investigation into xylitol's long-term effects on heart health. Xylitol Increases Heart-Health Risks (Thanks, Dave - NextDraft).

When Drugs Go Wild

Modern drug pollution is transforming wildlife, with meth-addicted trout, fearless perch, and sex-changed fish among the casualties. Pharmaceuticals like antidepressants and contraceptives, entering ecosystems via inadequate waste treatment, are altering animal behavior and physiology. Diclofenac, an anti-inflammatory, caused a dramatic decline in India's vultures, leading to increased rabies from unconsumed cattle carcasses. Experts urge urgent reform in drug design to mitigate these unintended ecological impacts, emphasizing that the same properties that make drugs effective in humans pose severe risks to biodiversity. Environmental exposure to pharmaceuticals is a pressing global issue demanding immediate attention. Meth-addict fish, aggro starlings, caffeinated minnows: animals radically changed by human drugs. (Thanks again Dave-NextDraft).

Food Waste Unpeeled

America's apple obsession reveals the broader issue of food waste. Despite producing 4.36 million metric tons of apples annually, a significant portion rots due to factors like overproduction and market fluctuations. This waste is emblematic of a more substantial problem, with 30-40% of all food in the U.S. wasted, equating to 133 billion pounds annually. The waste spans all stages of food production, exacerbated by weather, inefficient storage, and consumer habits. Innovations like controlled-atmosphere storage and advocacy from groups like The Farmlink Project show promise, but systemic change is essential to curb this massive loss and its environmental impact. America's Favorite Fruit Reveals The Hidden Truth About Food Waste.

+See Also: The Rotten Secret Plaguing America's Grocery Stores.

An Operating Room "Black Box."

Teodor Grantcharov's AI-powered "black box" aims to revolutionize surgical safety by recording and analyzing all OR activities. The technology captures everything from instrument use to environmental factors, offering a comprehensive view of operations. Despite the potential for significant improvements in safety and efficiency, the system faces resistance due to privacy concerns and fear of legal repercussions. Hospitals are divided between leveraging this data for quality improvements and managing the overwhelming influx of information. As the black box spreads, it promises a new era of transparency and enhanced patient care. This AI-powered "black-box" could make surgery safer | MIT Technology Review. (paywall).

Dodging Microplastics

Microplastics in food, air, and household items pose potential health risks. To minimize exposure, opt for less processed foods, use glass containers, avoid heating plastics, and switch to loose-leaf tea. Limit plastic use in furniture and clothing; frequent vacuuming with a HEPA filter and damp cloths can reduce indoor microplastics. Choose reusable water bottles and consider laundry solutions like special filters or washing less often. While complete avoidance is impossible, making informed choices can reduce microplastic intake, emphasizing the importance of manageable, everyday actions.How to Minimize Your Exposure to Microplastics - The New York Times (gift article).

090 - Isolated Minds, High Hopes, and Psychedelics in the C-Suite - HealthHippieMD Week In Review

Isolated Minds

Chronic loneliness not only alters emotional states but significantly impacts brain structure and function, raising the risk for neurodegenerative diseases like Alzheimer's and Parkinson's. This pervasive form of loneliness can lead to changes in brain areas involved in social cognition and emotional processing, likely due to prolonged stress and inflammation. These effects are further exacerbated by associated risks such as increased cardiovascular strain and unhealthy lifestyles. How Loneliness Affects the Brain - The New York Times (gift article ) underscores the importance of interventions, like cognitive behavioral therapy and social engagement, to mitigate these detrimental effects. However, the challenge remains significant, as indicated by recent health reports calling for more robust solutions to combat loneliness.

Lonely Peaks

Recent studies show that loneliness typically spikes during young adulthood and later life, forming a U-shaped curve. This pattern reflects fewer social engagements and weaker community involvement among younger generations, paralleled by a similar decline in older adults due to diminishing social opportunities. Surgeon General Vivek Murthy emphasizes weakening "social muscles" when left unused, analogous to physical muscles. Experts recommend proactive steps to cultivate meaningful connections at all ages, such as conducting a "relationship audit," joining community groups and reducing reliance on social media. They argue that fostering diverse and quality relationships can significantly enhance mental and physical health, urging individuals to take the initiative to maintain and create social bonds. The Ages When You Feel Most Lonely and How to Reconnect - The New York Times (gift article).

Reducing Noise Pollution

In today's bustling world, the relentless barrage of noise disrupts our daily lives and significantly harms our health. Jamie Banks, an environmental scientist driven by the ceaseless din of landscaping equipment in her neighborhood, initiated a movement towards quieter communities. Her advocacy led to actionable change, culminating in a lawsuit against the U.S. Environmental Protection Agency for failing to enforce noise regulations. Scientific evidence supports the detrimental effects of noise, linking it to cardiovascular diseases, sleep disruptions, and cognitive impairments. Furthermore, various studies highlight how excessive noise exposure increases risks of hypertension, heart conditions, and even diabetes. Amid these alarming revelations, noise mitigation strategies like using smartphone apps to detect hazardous noise levels, wearing noise-canceling earbuds, and pushing for regulatory reforms have become more vital than ever. Turning Down the Noise Around You Improves Health in Many Ways | Scientific American.

Gloves that Teach Piano

A novel pair of "smart gloves" designed by MIT researchers may revolutionize learning piano and other tactile skills. These gloves, crafted from thin cotton and embedded with tactile sensors, allow for transmitting piano-playing techniques through vibrations directly to the fingertips. This method helps build muscle memory and enhances precision when performing musical pieces. A study published in Nature Communications demonstrates that these gloves can significantly improve accuracy in piano playing compared to traditional methods. The technology, utilizing machine-learning algorithms to capture and transmit complex hand movements, has potential applications beyond music, such as surgical training and gaming. 'Smart Gloves' Teach Piano Playing through Touch | Scientific American.

High Hopes for Healing

Recent changes in U.S. drug policy signal a potentially transformative era for chronic pain treatment, recognizing the medicinal value of cannabis and psilocybin. Cannabis, long under strict regulation, is being reclassified to allow more medical research, reflecting its safer profile compared to opioids and potential for fewer side effects. Similarly, psilocybin, known for substantial psychological effects, has shown promise in treating psychiatric conditions and is being explored for chronic pain management. With about 50 million Americans suffering from chronic pain, these substances could offer significant relief, promoting a shift towards more natural and possibly more effective therapeutic options. However, the journey from criminalization to acceptance underscores the complex landscape of integrating these ancient drugs into modern medicine. How cannabis and psilocybin might help some of the 50 million Americans who are experiencing chronic pain.

Psychedelics in the C-Suite

A growing trend in corporate leadership involves the integration of psychedelic experiences, such as ayahuasca and psilocybin, to enhance personal and professional development. Leaders like Felix Van de Sand, CEO of COBE, have ventured into jungles and participated in shamanic ceremonies, using these substances to confront personal fears and unearth deep-seated behavioral patterns. These experiences are claimed to foster traits like openness, adaptability, and creative thinking, which are invaluable in leadership. Recognizing these benefits, more executives are now investing in psychedelic retreats for their teams, aiming to fast-track personal growth and improve team dynamics, albeit navigating complex privacy issues and peer pressure. From magic mushrooms to ayahuasca—psychedelics are the new leadership retreat | Fortune Well.

Midlife Mutterings Unmuted

Middle-aged individuals often find themselves talking out loud, which experts suggest is normal and beneficial. This phenomenon, understudied yet widely observed, supports various mental functions such as anxiety management, motivation, and memory. Private speech, as it's called, tends to resurface in midlife, assisting in tasks like planning and problem-solving. Furthermore, it can enhance focus and make solitary moments feel more engaging. Although it might raise eyebrows in public, this self-dialogue typically poses only harm if it becomes disruptively negative. Experts encourage embracing this habit if it proves helpful, highlighting its practicality and mental health benefits. Is It Normal to Talk to Yourself All Day? What Experts Say. - The New York Times (gift article).

Genes and Stress

A recent study by Jacob Crouse and Ian Hickie from the University of Sydney is reevaluating the classifications of depression into reactive and endogenous types. Historically, reactive depression was seen as a response to external stressors, while endogenous depression was thought to stem from internal factors like genetics. However, their research involving over 14,000 individuals in the Australian Genetics of Depression Study shows a more complex interplay. They discovered that people with higher genetic risks for mental disorders reported more exposure to stressful life events, suggesting that genetic predispositions can influence both one's environment and one's reactions to it. This challenges the simple categorization of depression and underscores the intricate relationship between genes and environmental stressors. A New Study Is Finally Attempting to Pin Down The Root Causes of Depression..

082 - AI Emotional Surveillance, Ibogaine, and the Microbiome of Death - HealthHippieMD Week In Review

NCCIH Guide to Yoga

Yoga is an ancient and complex practice rooted in Indian philosophy. It began as a spiritual practice but has become popular to promote physical and mental well-being. Here is the evidence behind its health benefits: Yoga: What You Need To Know | NCCIH

Daily Uses of ChatGPT

Here is an excellent set of suggestions for using ChatGPT to make your life easier. 10 ways to use ChatGPT in daily life

Baking End-of-Life Conversations into Family Gatherings

How to Make End-of-Life Planning Less Stressful - The New York Times (gift article) explores the importance of end-of-life planning, inspired by the author's family unconventional approach to discussing the topic over a meal. Despite initial reluctance, the gathering provided clarity and comfort, revealing unexpected preferences like her parents' desire to avoid memorial services and her sister's wish for a Starbucks-held ceremony. The article emphasizes the need for open communication, preparation, and regular check-ins to ensure loved ones' wishes are respected and to alleviate future stress. It serves as a reminder that addressing end-of-life matters can be a gift to family members, sparing them from guesswork and chaos during grief.

Microbes Clock In to Solve Mysteries of Death

Scientists have uncovered a consistent network of microbes in decomposing human corpses, regardless of location or climate. By studying 36 cadavers across different environments, researchers found that these critical decomposers, comprising about 20 types of bacteria and fungi, appear predictably during the first 21 days of decomposition. This discovery has the potential to revolutionize forensic science, as tracking the abundance and patterns of these microbes can help estimate the time since death with high accuracy. This microbial clock could be a valuable tool in forensic investigations, providing a more precise determination of the postmortem interval (PMI). However, further research is needed to apply these findings in real-world scenarios, especially in cases where bodies are buried or submerged, which can alter the decomposition process. 'Microbiome of Death' Uncovered on Decomposing Corpses Could Aid Forensics | Scientific American

Sleep Engineering

Recent studies suggest that manipulating sleep could offer novel treatments for mental health issues and memory loss. Techniques like "imagery rehearsal" therapy and sleep-engineering devices aim to reshape nightmares and enhance positive memories during sleep. Researchers have found that pairing specific sounds with positive imagery before sleep and replaying those sounds during REM sleep can reduce the frequency of nightmares and improve overall mood. This approach leverages the brain's ability to consolidate memories during sleep and offers a potential new avenue for addressing conditions like post-traumatic stress disorder, anxiety, and depression. While the technology is still in development and has risks to consider, the potential for sleep engineering to provide effective and non-invasive treatment options is promising. Stimulating the Sleeping Brain Could Help Heal Memory Loss or Mental Health Problems | Scientific American

Mind Matters: p-Factor of Mental Illness

Mental illnesses often display a perplexing overlap, challenging the traditional diagnostic boundaries set by the DSM. This phenomenon is exemplified by the case of a Ph.D. student with schizophrenia whose family members suffer from a range of psychiatric conditions. Researchers attribute this overlap to a concept known as the "p factor," a general psychopathology factor that suggests a shared genetic predisposition to various mental disorders. Evidence indicates that about 40% of the risk for mental illness can be explained by this factor. This has led to a call for reevaluating diagnostic classifications and treatment approaches, advocating for a focus on commonalities rather than distinct categories. The pursuit of understanding the p factor involves exploring genetic correlations, brain structures, and psychological traits to develop more effective, generalized treatments for psychiatric illnesses. However, the concept remains contentious, with critics questioning the statistical models used to justify the p factor's existence and suggesting that mental illnesses may fall into broader categories rather than sharing a common set of features. Why Do So Many Mental Illnesses Overlap? | Scientific American

The Psychedelic Potential of Ibogaine

Ibogaine, a natural psychoactive compound derived from the iboga tree's bark, is gaining attention for its potential in treating addiction, PTSD, and brain injuries. Despite being illegal in the United States, it has shown promise in small studies for reducing opioid dependency and cravings. The drug's mechanism is believed to involve neuroplasticity, allowing patients to reevaluate their behavior and trauma. However, its legality is a barrier to access, and it carries risks of fatal cardiac arrhythmias. Ibogaine's treatment experience is intense, often involving confronting past traumas. While some studies, particularly in Brazil, support its anti-addictive properties, the lack of large-scale clinical trials and its cardiac risks make FDA approval unlikely soon. What to Know About Ibogaine, a Psychedelic - The New York Times (gift article).

Feelings Under Surveillance

The article Emotion-tracking AI on the job discusses the growing use of emotion-tracking artificial intelligence (AI) in the workplace, which analyzes biological signals and computer usage to infer employees' emotions. Despite claims of benefits like improved well-being and productivity, workers express concerns about privacy, bias, and the potential for inaccurate or unfair employment decisions. The technology, often seen as flawless by employers, has been criticized for its scientific validity and reliance on contested theories of emotion. The study highlights the additional emotional labor imposed on workers, who must mask their true feelings to present favorably to the AI, exacerbating existing workplace challenges. Critics suggest that its use should be reevaluated until the technology's implications are fully understood.

The Divergent Paths of Discordant Twins

A comprehensive study involving 25,252 Swedish adult twins, published in JAMA Psychiatry, has provided substantial evidence on how childhood trauma influences adult mental health. The research focused on "discordant twins," where only one twin experienced abuse or neglect. The findings revealed that those who faced childhood trauma were significantly more likely to be diagnosed with psychiatric illnesses such as depressive disorders, anxiety disorders, substance abuse disorders, or stress disorders. The impact of trauma was evident even after controlling for genetic and environmental factors, highlighting the profound effect of childhood adversities on adult mental well-being. This study underscores the urgent need to address child abuse and neglect to prevent long-term mental health consequences. One Twin Was Hurt; the Other Was Not. Their Adult Mental Health Diverged. - The New York Times (gift article).

067 - Invisible Wounds, Stellar Departures, and Shakespeare on Sleep - HealthHippieMD Week In Review

Moth Matriarchy

In an unexpected twist of fate, researchers in Japan have stumbled upon a virus that could revolutionize pest control by inducing a matriarchal society in moth populations. This unique virus, discovered within the tobacco cutworm, can eliminate male offspring, resulting in generations of female-only moths. This finding challenges our understanding of viral evolution and offers a promising tool for managing agricultural pests and disease vectors. The discovery, which could have easily fluttered unnoticed, now stands as a beacon of potential in the ongoing battle against crop-destroying insects, highlighting nature's intricate balance of power. Male-Killing Virus Is Discovered in Insects - The New York Times. (gift article)

Diet Debts

The United Nations has published a significant new tally of the world's food system's impact on our health and the planet, a staggering $12.7 trillion annually (about 10% of the world's GDP). The FAO report highlights that the majority of these costs stem from health-related issues due to poor diets leading to obesity and diseases. Environmental impacts follow, with significant disparities between low and high-income countries. The study suggests that better dietary choices, fairer trade practices, and sustainable farming could alleviate these financial burdens. The FAO urges a multifaceted approach involving government policy, consumer behavior, and industry practices to reduce these hidden costs. The World's Broken Food System Costs $12.7 Trillion a Year | WIRED.

Stellar Departures

In an exploration of humanity's final frontier, Their Final Wish? A Burial in Space, (gift article) delves into the lives of individuals who have chosen the cosmos as their final resting place. Contracting with Celestis, a company that offers memorial spaceflights, these seven people have opted to send their ashes or DNA into the vastness of space. Their reasons range from spiritual to pragmatic, with many driven by a lifelong passion for the stars. As traditional earthly bonds loosen, space burials represent a profound acceptance of the unknown, a testament to the human spirit's unyielding curiosity and desire for exploration.

Invisible Wounds: A Closer Look at the Markers of PTSD

How Post-traumatic Stress Disorder Works delves into the harrowing journey of Adam Kelley, a U.S. Army specialist who, despite returning home from Iraq, could not escape the clutches of PTSD, ultimately leading to his tragic suicide 13 years later. PTSD, a mental health condition triggered by traumatic experiences, is characterized by 17 symptoms, including agitation, anxiety, concentration issues, memory problems, depression, and mood swings. These symptoms can manifest in various intensities and are not uniform across all individuals. The article also explores the evolution of PTSD's understanding, from its initial identification in the American Civil War to modern research that includes genetic factors and the importance of social support. It highlights the military's vulnerability to PTSD, given the intense and life-threatening nature of combat experiences. The article concludes with insights into counseling and medication treatments for PTSD, cutting-edge research, and innovative approaches like virtual reality therapy and resilience training for soldiers.

Amazon's One Medical Priming the Market

Amazon is making its primary care boutique clinic, One Medical, cheaper for Prime subscribers. Amazon links One Medical primary care to Prime memberships - The Washington Post. (gift article)

Shakespeare on Sleep

Arthur Brook's article, Five Ways to Make Sure You Get More Sleep, using quotes from Shakespeare, delves into the elusive quest for restful slumber, a journey often hijacked by the mind's nocturnal wanderings. With 15% of American adults struggling to fall asleep, the nation's sleep debt is not just a personal nuisance but a public health concern. Sleep deprivation is linked to a myriad of health issues, from metabolic disturbances to mental health problems like depression and anxiety. The piece underscores the profound impact of sleep on our well-being and happiness, offering practical sleep hygiene tips and advocating for a personalized approach to sleep patterns. It suggests that embracing one's unique sleep rhythm and addressing life's stressors could be the key to unlocking the rejuvenating power of sleep and a happier life.

Mind Matters

Emerging research underscores a significant connection between mental health disorders in later life and an increased risk of dementia. Studies suggest that late-life mental illnesses, such as depression, maybe early indicators of dementia or could exacerbate its onset. While not all late-life psychiatric disorders lead to dementia, the correlation is strong enough to warrant cognitive testing for older adults presenting new psychiatric symptoms. The relationship between early-life mental health issues and later dementia is less definitive, though severe early mental illness does raise dementia risk. Overall, maintaining mental and physical health is emphasized as a preventative measure against dementia. Mental Illness May Affect Dementia Risk, Research Suggests - The New York Times. (gift article)

Psychedelics and Depression: Neuroplasticity without the Trip

Recent insights suggest that the mental health benefits of psychedelics like psilocybin and MDMA may not stem from their hallucinogenic effects. Researchers are now developing non-hallucinogenic variants that target neuroplasticity without the trip, potentially offering depression and PTSD treatments to a broader patient base. These novel compounds could reset emotional control and improve mood without the psychedelic experience by enhancing brain adaptability. This shift could redefine psychedelic therapy, focusing on neuroplastic potential rather than transcendental experiences, and streamline regulatory processes for easier access and research. What If Psychedelics' Hallucinations Are Just a Side Effect? - The Atlantic.

+More on the importance of neuroplasticity in mental health. Neuroscientists are Tantalizingly Close to Mastering How Psychedelics Redesign Our Brains.

Urban Wellness

Urban epidemiologist Tolullah Oni's research underscores a stark contrast in urban living conditions, revealing that affluent neighborhoods often boast better air quality, cooler temperatures, and safer spaces for physical activity. This disparity is critical as urban populations are set to double by 2050. Oni's work emphasizes the need for cities to address these inequalities proactively. The article highlights the importance of urban planning that considers health impacts, equitable access to public spaces, and the role of governments and the private sector in building healthier cities. Where You Live Is As Important As What You Eat | WIRED.

059 - Enacted Dreams, MDMA, and Chillin' Like a Monk - HealthHippieMD Week In Review

How Enacted Dreams Predict Parkinson's

Enacted dreams during the rapid eye movement (REM) phase of sleep may be an early sign of Parkinson's disease and other brain disorders, according to a Scientific American article. Known as REM sleep behavior disorder (RBD), this phenomenon affects a small percentage of the population and often precedes neurodegenerative diseases, such as Parkinson's and Lewy body dementia. Researchers increasingly recognize RBD as a valuable early marker for these conditions, offering potential opportunities for early intervention and clinical trials to slow or prevent disease progression. Acting Out Dreams Predicts Parkinson's and Other Brain Diseases - Scientific American

Checklist for AI Self-Awareness Emerges

As artificial intelligence (AI) continues to advance, whether AI systems can become conscious is gaining traction. To address this, 19 experts, including neuroscientists, philosophers, and computer scientists, have developed a checklist of criteria that could indicate AI consciousness. Published in the arXiv preprint repository, their approach draws from six neuroscience-based theories of consciousness, emphasizing "phenomenal consciousness" or subjective experience. By assessing AI systems against these criteria, the authors aim to provide a more nuanced evaluation of consciousness potential in AI, highlighting the need for more precise theories of AI consciousness in the future. If AI Becomes Conscious, Here's How We Can Tell - Scientific American

New Book on Happiness

"The common strategy of trying to eliminate problems from life to get happier is futile and mistaken. We must instead look for the "why" of life to make our problems an opportunity for learning and growth," Arthur Brooks writes in Three Myths and Four Truths About How to Get Happier - The Atlantic. The column refers to his new book, Build the Life You Want: The Art and Science of Getting Happier, , co-written with Oprah.

Chillin' Like A Monk: The Quest for Biostasis

Can We Stop Time in the Body? - Nautilus delves into the intriguing concept of biostasis—essentially, hitting the pause button on the body's metabolic processes. The article begins with a captivating Tibetan ceremony involving monks sleeping and surviving a Himalayan mountainside in sub-freezing temperatures, sparking curiosity about the physiological mechanisms at play. DARPA's pioneering biostasis project aims to develop a drug that can temporarily halt metabolism, offering potential lifesaving benefits in emergencies. The article introduces SNC80, a drug that slows metabolism in tadpoles, showcasing its reversible effects without harm to vital organs. Although not a perfect solution, the quest for biostasis continues, inspired by nature's examples, from hibernating bears to the remarkable spiny desert mouse. Ultimately, the article highlights the fascinating pursuit of slowing down time within the human body.

How Artificial Intelligence Can Revolutionize Science

How artificial intelligence can revolutionize science was an interesting article in the Economist. It cited two ways AI could accelerate scientific discovery: "The first is "literature-based discovery" (LBD), which involves analyzing existing scientific literature, using ChatGPT-style language analysis, to look for new hypotheses, connections or ideas that humans may have missed." (I mentioned some of the emerging tools in a previous newsletter: 052 - Genetic Judo, Young Blood, and Gray Hair). "The second area is "robot scientists," also known as "self-driving labs." These robotic systems use AI to form new hypotheses, based on analysis of existing data and literature, and then test those hypotheses by performing hundreds or thousands of experiments, in fields including systems biology and materials science." And for more on this topic, see my friend and colleague, Gary Kantor's excellent LinkedIn article: Can Generative AI Close The Knowledge Gap?

The Happiest States in the Union

Utah Named the Happiest State in New Study Where does your state fit? Happiest States in America (2023)

Understanding Age-Related Forgetfulness

Ever find yourself at a loss for a familiar face or the whereabouts of your car keys? Don't fret; it's not just you. Our memory can take a quirky turn as we age, often leaving us in moments of blank confusion. The good news? It's usually nothing to worry about. While memory retrieval becomes less efficient in our fifties, it doesn't necessarily mean a problem. Experts suggest that embracing mindfulness, reducing multitasking, managing stress, getting enough sleep, maintaining a healthy diet, and even indulging in some cardiovascular exercise can keep your memory on its toes. If memory loss significantly disrupts your daily life, then it's time to chat with your doctor. Why Memory Lapses Are Not Always a Cause for Concern - The New York Times (gift article).

What OpenAI Really Wants

Wired had a long-form story on OpenAI and its CEO, Sam Altman. What OpenAI Really Wants | WIRED

Anxiety and Creativity

Anxiety is not always a boon to creatives. "Depending on the situation, fear, and anxiety can inspire or impede. But when anxiety becomes overwhelming, creative work often stalls." Anxiety can often be a drag on creativity, upending the trope of the tortured artist.

MDMA for PTSD

"Results of a new study may offer regulators enough evidence to allow the psychedelic, also known as Ecstasy, to be considered for use as a PTSD treatment." MDMA Therapy for PTSD Inches Closer to U.S. Approval - The New York Times (gift article).

058 - Scientific Spirituality, Supermarket Lies, and Psychedelics - HealthHippieMD Week In Review

Food for Thought: How Your Diet Affects Your Mind

Beyond the immediate joy of a good meal, food can significantly impact your mental health. Animal proteins like roast turkey and fish contain amino acids essential for dopamine and serotonin production, key mood-regulating neurotransmitters. With their rich nutrient content, Brussels sprouts and cranberries play roles in brain function and mood regulation. The emerging field of nutritional psychiatry explores how diet influences mental health, shedding light on diets like the Mediterranean and mind diets. How food affects the mind, as well as the body.

Supermarket Lies

The New Yorker discusses the attorney Spencer Sheehan, who takes food and home goods companies to task for misrepresenting the ingredients in their products. Shocker, he's swamped. The Lies in Your Grocery Store | The New Yorker.

Scientific Spirituality

In a recent study, Julian Huxley's belief that science held a spiritual dimension gained validation. Researchers developed a scale to measure "scientific spirituality," discovering that it stirs feelings of wonder and connection akin to religious spirituality. These feelings boost well-being and life satisfaction, even in atheists and agnostics. Furthermore, those with higher scientific spirituality scores demonstrated a better understanding of scientific subjects. The study suggests that finding "holiness in reality" through science can offer a unique and fulfilling spiritual experience, bridging the gap between empirical and spiritual realms. The Holiness in Reality - Nautilus.

+Asimov also wrote about this topic in one of my favorite series, Foundation..

Paper Cups: Brewing Trouble for the Environment

While paper coffee cups might seem like a greener alternative to plastic, a recent study warns that they can be just as toxic. These seemingly eco-friendly cups are lined with a thin layer of plastic to prevent liquid seepage, and this plastic can release harmful chemicals when it ends up in our natural environment. Researchers found that even midge larvae exposed to water tainted by paper cups suffered ill effects. The exact composition of these chemicals remains a mystery due to limited disclosure from manufacturers. To combat this issue, scientists advocate for innovative, sustainable alternatives and more significant recycling efforts, as disposable paper cups pose a significant environmental hazard. Sorry, Your Paper Coffee Cup Is a Toxic Nightmare | WIRED.

How Psychedelics Work?

"People often talk about psychedelic therapy functioning like a "reset button" for the mind, but until Dölen's work came out, no one could provide a scientifically plausible explanation for "how something so short in duration can have lasting and transformative effects that go well beyond the time that the drug is in there."This scientist and her team believe psychedelics re-open the brain to critical learning. The Psychedelic Scientist Who Sends Brains Back to Childhood | WIRED.

Ode to Emojis

"Emojis have this ability to make the same words seem more emotional or less emotional—to seem alarming versus completely fine or joking even," she says. These are important social functions, she adds. "Through our switch to more text-based communication, we lost this additional layer of meaning that emojis can now provide." Nautilus published a pretty interesting article on the history and science of emojis: Your 🧠 On Emoji - Nautilus.

What are Dreams For?

We've all observed the twitching of babies or animals while they're sleeping. Conventional wisdom has been that twitches reflect movements taking place during a dream. The scientists in this story believe the exact opposite. Rather than the body reflecting brain activity, it is the brain learning from the body. The implications, if true, are striking both in our understanding of ourselves and for emerging technology such as robotics. What Are Dreams For? | The New Yorker.

Weight-Loss Drugs Also Protect the Heart

Another apparent benefit of the new weight-loss drugs was published in the New England Journal of Medicine. "In a trial of more than 500 patients with obesity and heart failure in 13 countries, those who got a weekly injection of semaglutide for a year reduced symptoms such as fatigue, shortness of breath, and swelling. They also had notable improvements in their physical abilities and exercise function." Ozempic and Wegovy Can Also Protect Your Heart | WIRED.

Death of the Calorie

The Economist had a detailed story on the history (and failure) of calorie counting for weight loss. Death of the calorie.

How Play and Art Boost Learning

In the article To Supercharge Learning, Look to Play, , authors Susan Magsamen and Ivy Ross highlight the integral role of play and art in enhancing learning. They stress that play and creativity are inherent to human evolution, aiding cognitive development and emotional well-being. The authors emphasize "guided play" to effectively impart new skills. They also discuss the Playful Learning Landscapes Action Network, which transforms public spaces into interactive learning hubs. Furthermore, the article explores the neuroscience of attention and how immersive video games, like EndeavorRx, can improve focus, particularly in individuals with ADHD, offering a promising alternative to medication. (disclosure: I own shares of Akili Interactive mentioned in the article).

Knocking Out the Wrong Goals to Achieve Happiness

In a punchy revelation, Arthur Brooks discusses the "Tyson Paradox" inspired by boxing legend Mike Tyson. Despite his impressive career, Tyson's pursuit of fame and riches didn't guarantee his happiness. The paradox arises from the "arrival fallacy," where achieving goals doesn't sustain bliss. Instead, we quickly return to an equilibrium. To combat the loss of happiness, the article suggests setting the right goals focused on intrinsic values and relationships. Intrinsic goals like fostering friendships lead to greater well-being, while achievement goals can disappoint, especially when compared to others. Ultimately, the journey, not just the destination, provides lasting satisfaction and meaning. How to Set the Right Life Goals - The Atlantic.

050 - Metformin for Long-Covid, Aging Gracefully, and Loneliness - HealthHippieMD Week In Review

Metformin and Long Covid

A recent study published in The Lancet Infectious Diseases reveals that metformin, a commonly used diabetes drug, may reduce the risk of developing long COVID by 41 percent for individuals who are overweight or have obesity. Long COVID, a condition characterized by persistent symptoms after a COVID-19 infection, has no approved treatment. The study's findings offer hope, but further research is needed to validate the results and explore how metformin prevents long COVID. Although the mechanism is unclear, unlike the authors, who opine that metformin may interfere with viral replication, I think a more likely explanation is that it modulates the immune system through its influence on the microbiome. A Common Diabetes Drug May Prevent Long COVID in Some People - Scientific American

Covid and the Introversion - Extroversion Dynamic

An interesting piece in WaPo about how Covid (permanently?) flipped the script in social dynamics: Opinion | The world has become more introverted. And I hate it. - The Washington Post (gift article)

How to Age Gracefully

A new study suggests that learning new skills can have significant cognitive benefits for older adults. The authors hypothesize that cognitive slowing as a senior is akin to the "summer slide" that schoolchildren experience (every year, teachers and parents observe how summer vacations lead some children's academic progress to backslide). What if the elderly experience a similar phenomenon? The research found that a three-month intervention program involving classes on various skills, such as singing, drawing, and language learning, improved participants' memory and attention. Surprisingly, the cognitive gains continued even after the program ended, with participants' abilities resembling those of individuals 30 years younger. Encouraging lifelong learning and creating enriched environments for older adults could enhance their cognitive skills and support healthy aging. To Stay Sharp as You Age, Learn New Skills - Scientific American

Consciousness Conundrum: Animal Awareness and Neural Correlates

Here is another story from the 26th meeting of the Association for the Scientific Study of Consciousness (mentioned last week). The article discusses the potential consciousness of vertebrates, cephalopods, and arthropods, with debates on their complex behaviors and brain structures. Additionally, the possibility of achieving conscious artificial intelligence and its ethical concerns were discussed. Thousands of species of animals probably have consciousness

How Susceptible are you to Misinformation?

A new test designed to measure susceptibility to misinformation reveals that younger Americans struggle more with identifying fake news than older generations. Researchers developed the "misinformation susceptibility test" (MIST) at the University of Cambridge in collaboration with YouGov. Participants were presented with authentic and AI-generated false headlines and had to differentiate between them. The study found that individuals who spent more time online and relied on social media platforms for news were more prone to falling for misinformation. Age and personality traits also played a role in susceptibility. While the test has some limitations, it underscores the importance of media literacy in navigating the information landscape. How Susceptible Are You to Misinformation? There's a Test You Can Take - Scientific American

Can Math and Physics Save an Arrhythmic Heart?

"Abnormal waves of electrical activity can cause a heart's muscle cells to beat out of sync."_ In Can Math and Physics Save an Arrhythmic Heart?, Flavio Fenton, an expert in cardiac dynamics, discusses ways to treat heart arrhythmias without resorting to painful defibrillators.

Weighing In: The Hidden Costs of Dieting

In the article Why You Don't Just Lose Fat When You're on a Diet Adam Collins explores the consequences of dieting beyond fat loss. While being in a calorie deficit helps shed weight, it also results in the loss of muscle mass. The depletion of glycogen stores leads to the release of water weight. Moreover, the body turns to metabolizing muscle tissue for energy, impacting metabolism and potentially causing weight regain. The article emphasizes the importance of exercise, protein intake, and sustainable lifestyle changes for maintaining muscle mass and preventing metabolic shifts during weight loss.

Ozempic: A Treatment for Addictive Behaviors?

This week, Scientific American published an article on a phenomenon I first mentioned in Newsletter 43. A surprising side effect of Ozempic, a diabetes drug that aids weight loss, has emerged: users report a reduction in cravings for addictive substances such as nicotine, alcohol, and gambling. Scientists are now investigating whether these weight-loss drugs, including Ozempic, can be used to treat addiction. Ozempic targets a hormone that regulates appetite and weakens the brain's Association between food and pleasure. Animal studies have shown promising results, but human trials are still limited. Researchers are initiating their studies to determine the safety and effectiveness of these drugs in addiction treatment. Could New Weight-Loss Drugs like Ozempic Treat Addiction? - Scientific American (Thanks Dave Pell, NextDraft)

The Epidemic of Loneliness

"Research has shown that a lonely brain is transformed. Neurotransmitters important for bonding and social connection go haywire. The hypothalamic-pituitary-adrenal axis, responsible for modulating stress, is hyperactive. The amygdala, which triggers our fight-or-flight response and helps process emotional reactions, is in overdrive: In previous studies, Dr. Cacioppo found that lonely people detect negative or threatening pictures and words in under 400 milliseconds. The neuroscience might explain the sadness that accompanies loneliness and the palpable sense of danger." The New York Times had an insightful piece on loneliness: Opinion | How to Treat Loneliness With Medicine. (gift article)

Psychedelics in the U.S. Defense Funding Bill

Lawmakers included funding in the National Defense Authorization Act to look at psychedelics' role in treating PTSD, depression, anxiety, and chronic pain. Psychedelics like MDMA play a part in US defense funding bill