112 - Nourishing Medical Minds, People Pleasing, and A New Leash on Life - HealthHippieMD Week In Review

A New Leash on Life for Modern Dogs

As society shifts toward urban living, dogs are undergoing a new wave of domestication, adapting to our modern lifestyles. Historically valued for their work ethic and protective instincts, today’s pets are expected to be calm, friendly, and adaptable companions. Service dogs exemplify this transformation, showcasing friendliness and social bonding traits that reflect early domestication patterns. These dogs offer a blueprint for a new type of pet, where temperament, not just appearance, becomes the breeding focus. This shift promises to reshape the future of our beloved canine companions. Dogs Are Entering a New Wave of Domestication - The Atlantic.

Nourishing Medical Minds

A panel of experts has urged medical schools to integrate comprehensive nutrition education into their curricula, citing diet as a significant factor in seven of the ten leading causes of death in the U.S. In a new consensus statement published in JAMA Network Open, the panel outlined 36 key nutrition competencies for medical training. Despite the undeniable link between diet and health, most medical programs offer little to no instruction on nutrition. The panel emphasizes that improving doctors’ understanding of nutrition can greatly enhance patient care and disease prevention strategies. Panel recommends medical nutrition training, citing diet disease risks - The Washington Post (gift article).

Bot or Not

Generative AI platforms like Character.AI enable users to create chatbots impersonating real people, often without their consent, leading to ethical dilemmas. A notable case involves the unauthorized creation of a bot modeled after Jennifer Ann Crecente, a teen murdered in 2006. Her father, Drew Crecente, discovered this AI bot mimicking his daughter’s identity, bringing fresh grief. Despite Character.AI’s policies, countless non-consensual bots remain. Legal protections lag, leaving those impersonated with little recourse as the line between digital personas and personal privacy blurs in this rapidly evolving space. Anyone Can Turn You Into an AI Chatbot. There’s Little You Can Do to Stop Them | WIRED.

+see also: A murdered high-schooler’s image was used to create an AI chatbot - The Washington Post.

Metformin’s Miss

Metformin, a widely used diabetes drug, once sparked hopes of being a cancer-fighting breakthrough. Early studies suggested that the drug could reduce cancer risk and enhance chemotherapy effects, but subsequent large-scale trials failed to confirm these benefits. Researchers now attribute earlier positive findings to flaws like “immortal time bias” and excessively high doses used in lab studies. While metformin remains promising for other conditions like aging and dementia, its potential as a cancer treatment has been largely dismissed, with experts calling for more cautious optimism. This Common Diabetes Drug Was Thought to Revolutionize Cancer — Here’s What Happened Instead.

Peptide Promises

‘GLP-1’ Has Become an Empty Buzzword - The Atlantic delves into the growing trend of “GLP-1” supplements, marketed as alternatives to weight-loss drugs like Ozempic. Despite their catchy association with GLP-1 agonists, these supplements pale in comparison to the actual effectiveness of obesity drugs. While the natural hormone GLP-1 is released after eating and influences satiety, the supplements only offer a minor boost in GLP-1 levels. Their marketing preys on consumers seeking a cheaper, non-pharmaceutical solution, but in reality, they repurpose common ingredients, leaving people with little more than hollow promises.

Rethinking Obesity

A Gen X physician reflects on his earlier misconceptions about obesity, realizing that it is a complex, mostly neurological, and inheritable disease rather than simply a result of laziness or poor choices. He acknowledges how his success with weight loss led to a condescending attitude toward patients who struggled, failing to recognize their unique genetic predispositions. With the introduction of GLP-1 drugs like Ozempic and Wegovy, the doctor is cautiously optimistic that science can finally offer effective treatments for obesity, moving beyond outdated assumptions about personal responsibility.​ I was once condescending to obese patients. I regret it. - The Washington Post (gift article).

Ozempic Tackles More Than Just Weight

Recent studies reveal that Ozempic, widely known for treating type 2 diabetes and aiding weight loss, might also reduce addiction-related behaviors. Researchers from Loyola University found that those on the drug had significantly lower rates of opioid overdose (40%) and alcohol intoxication (50%) compared to non-users. The findings, derived from analyzing over a million health records, suggest that GLP-1 receptor agonists may influence addiction, though the exact mechanisms remain unclear. While promising, further research is needed to confirm the drug’s potential in addiction treatment. Ozempic Might Help Treat Two Common Addiction Disorders.

People-Pleaser Predicament

How to Stop Being a People Pleaser - The New York Times (gift article) delves into the common habit of people-pleasing, where individuals prioritize others’ needs at the expense of their own. Experts explain how this behavior often stems from childhood or social anxiety and initially offers satisfaction by gaining approval. However, it can lead to resentment and emotional burnout. The article offers practical tips to set boundaries, manage pushback, and overcome fears of rejection. The focus is on building self-worth, prioritizing personal needs, and embracing balance in relationships to prevent feeling drained by constant people-pleasing.

A Playbook for the Heart

Seven Ways to Love Better - The New York Times (gift article) by Daniel Jones, editor of the Modern Love column, reflects on two decades of curating stories about love. He distills seven essential lessons learned from thousands of submissions. Love, he argues, thrives on curiosity, empathy, and impermanence. Relationships should be handled like basketballs, and they should be able to bounce back from conflict. Success is not measured by longevity but by impact. Whether it’s appreciating fleeting moments or navigating difficult separations, Jones emphasizes the importance of being present, open-minded, and grateful for every connection, no matter how brief.

104 - Outsmarting Aging, Anxiety Off-Switch, and the Midlife Shift - HealthHippieMD Week In Review

Anxiety Off-Switch

Researchers at the National Institute of Neurological Disorders and Stroke (NINDS) have uncovered a novel approach to treating anxiety by manipulating a specific signaling pathway in the brain. Through experiments on stressed mice, the team discovered that inhibiting the Src kinase protein halted anxious behaviors without significant side effects. This groundbreaking study suggests that targeting this pathway could pave the way for new, more precise anti-anxiety medications for humans, offering hope for better treatments with fewer drawbacks than current options. Researchers discover an entirely new way to treat anxiety - Big Think (Thanks, Amy!).

The Mind-Blowing Plan to Outsmart Aging

Jean Hébert, a pioneering researcher now with ARPA-H, envisions defeating aging through a radical concept: gradually replacing all body parts, including the brain, with youthful lab-grown tissues. Hébert’s approach, rooted in progressive brain tissue replacement, aims to preserve memory and identity while rejuvenating the mind. Though his ideas face skepticism and significant scientific hurdles, they have garnered support from the U.S. government, potentially paving the way for future breakthroughs in life extension and neurodegenerative disease treatment. This researcher wants to replace your brain, little by little | MIT Technology Review.

Jealousy Unleashed

Do dogs really get jealous? - The Washington Post (gift article) explores whether dogs truly experience complex emotions like guilt and jealousy or if these behaviors are simply responses to human cues. Research suggests that dogs may not understand guilt as we do but instead react to their owners’ scolding. The discussion extends to how we might misinterpret dogs’ behaviors in situations like vet visits or walks, labeling them stubborn or dramatic. The article emphasizes the importance of understanding dogs’ primary emotions, like fear or anxiety, rather than projecting human emotions onto them.

Gel to the Rescue

The FDA has approved Cresilon’s Traumagel, a revolutionary plant-based gel designed to rapidly control moderate to severe bleeding from traumatic injuries like gunshot and stab wounds. Unlike traditional methods that require a lengthy application, Traumagel forms blood clots instantly without pressure, potentially saving lives in critical situations. Set to launch in late 2024 in easy-to-use syringes, this gel could be a game-changer for emergency responders, military personnel, and healthcare providers. The approval follows the earlier clearance of a smaller version for minor cuts. FDA approves gel that can stop bleeding from stab and gunshot wounds.

Fat Chance: Rethinking BMI

A study presented at the European Congress on Obesity suggests that body fat percentage may be a more accurate measure of obesity than the traditional Body Mass Index (BMI) for middle-aged individuals. Researchers found that using a BMI threshold of 27, rather than the standard 30, better identifies obesity-related risks in people over 40. The study highlights the limitations of BMI, particularly its inability to distinguish between fat and muscle, urging a more comprehensive approach to obesity assessment in clinical settings. Is Body Fat a Better Measure of Obesity in Midlife Than BMI?

Well-Being Slips Before Memory Trips

A recent study reveals that psychological well-being declines years before mild cognitive impairment (MCI) onset. The research, involving 910 older adults, highlights that two key aspects—purpose in life and personal growth—experience the most significant downturns. These declines began three to six years before an MCI diagnosis. Post-diagnosis, relationships with others deteriorated more rapidly. The findings suggest that reduced well-being may be an early indicator of cognitive decline, emphasizing the need for psychological support following diagnosis. Well-Being Declines Before Mild Cognitive Impairment | MedPage Today.

Quantum Chatter

Researchers are exploring whether consciousness could stem from quantum mechanics, a realm typically reserved for microscopic particles. Building on Roger Penrose’s theory, which links consciousness to the collapse of quantum states, scientists are conducting experiments with fruit flies and brain organoids to test these ideas. The results could radically alter our understanding of the mind, potentially bridging the gap between biology and quantum physics and even leading to advancements in enhancing human consciousness through quantum engineering. Experiments Prepare to Test Whether Consciousness Arises from Quantum Weirdness | Scientific American.

The Midlife Shift

A Stanford University study reveals that the human body undergoes two significant molecular changes during midlife, primarily around the ages of 44 and 60. These changes, affecting over 135,000 molecules, challenge the notion of gradual aging, showing that aging occurs in spurts. The research highlights shifts in metabolism, immune function, and cardiovascular health. These findings suggest that lifestyle adjustments, especially in diet and exercise, become crucial during these midlife phases to mitigate age-related diseases. The study underscores the importance of regular health checkups and personalized care as we age. Humans undergo midlife molecule changes in the 40s and 60s, Stanford study says - The Washington Post (gift article).

AI Gets a Neural Boost

AI scientists are producing new theories of how the brain learns (gift article) delves into how AI research, particularly Geoffrey Hinton’s work on artificial neural networks, is inspiring new theories about how the brain learns. Hinton’s development of the backpropagation algorithm revolutionized AI, but recent studies suggest it might also mirror processes in the human brain, challenging long-held beliefs. Researchers are exploring modified versions of backpropagation and alternative algorithms like prospective configuration, which may offer more brain-like learning mechanisms. These insights could advance AI and unlock a deeper understanding of human cognition.

Supplemental Gains

The supplement industry is capitalizing on the popularity of GLP-1 agonists like Ozempic, creating products marketed as either complements or alternatives to these weight-loss drugs. Companies like Vitamin Shoppe and Nestlé offer supplements to support users of GLP-1 medications, while others like Supergut and Codeage promote their products as “natural” GLP-1 boosters. Despite their rising profits, experts express skepticism about the efficacy and safety of these supplements, cautioning that they may not deliver the same results as pharmaceutical options. Supplements Companies Are Cashing In on the Ozempic Wave | WIRED.

093 - Electric Dreams, Face Time, and Your Gut on Salt - HealthHippieMD Week In Review

Face Time

Unlike virtual connections, regular face-to-face interactions with friends significantly enhance physical and mental health. Studies reveal that in-person meetings boost the immune system, reduce stress, and improve overall well-being, comparable to the effects of a Mediterranean diet. Frequent physical contact, such as hugs, also benefits the hypothalamic-pituitary-adrenal axis, lowering inflammation and improving sleep. Additionally, our sense of smell and neural synchrony are crucial in forming deeper, more empathetic connections. Decreased time spent with friends underscores the importance of rekindling in-person socializing for better health. In-person friendships are better for health than virtual connections - The Washington Post (gift article) (Thanks, Amy!).

Paws-in

The viral "paws-in" challenge on TikTok sees dogs imitating their owners by placing a paw atop a stack of human hands. The trend delights viewers, showcasing dogs' ability to mimic, seek attention, and connect with their human families. Experts highlight the role of training and innate behavior in dogs' responses. Even if some dogs don't join in perfectly, their varied reactions—using their muzzle or looking for cues—emphasize the deep bond between humans and their pets. The challenge underscores the joy and heartwarming connection pets bring to their owners' lives. Dogs are doing the viral 'paws in' challenge. Here's why. - The Washington Post (gift article).

Electric Dreams

Researchers have explored using electricity to control the immune system for over a decade, promising a revolution in treating chronic diseases like rheumatoid arthritis and diabetes. Despite substantial investment, electroceuticals—implants designed to replace drugs—haven't yet fulfilled their early promise. Meanwhile, new research into bioelectric medicine shows potential for innovative treatments, including fast-healing bandages and cancer therapies. The field faces challenges, including precise targeting and overcoming biases toward nervous system-centric approaches. As research evolves, the dream of electrically hacking the body for better health remains an electrifying possibility. The decade-long quest to hack the body's immune system with electricity | MIT Technology Review.

+see also: 091 - Meta Heads, Embracing Solitude, and The Brain's Immunity Master Switch - HealthHippieMD Week In Review — HealthHippieMD.

Mediterranean Eating May Boost Brain Health

A new study in Nature Aging suggests the Mediterranean diet, rich in fatty acids, carotenoids, and vitamin E, may slow cognitive decline. Researchers from the University of Illinois and the University of Nebraska-Lincoln found that participants aged 65-75 with delayed brain aging had larger brain volumes, better connectivity, and higher cognitive scores. Essential nutrients included α-linolenic acid and eicosapentaenoic acid from fish and plants, carotenoids from colorful vegetables, and vitamin E from nuts and oils. While promising, the study calls for further research across diverse populations. New Study Suggests Mediterranean Diet May Slow Cognitive Decline.

Cognitive Harmony

Understanding cognition requires viewing the brain's large-scale coordination of neural activity, driven by rhythmic electric fields, rather than focusing on individual neurons. MIT neuroscientists argue that brain rhythms, once dismissed as mere byproducts, are crucial for organizing neural activity. These rhythms influence cognition and could be key to treating disorders like schizophrenia and epilepsy. Brain waves like beta and gamma rhythms coordinate complex cognitive tasks, acting like stencils guiding neural activity. Scientists hope to unlock deeper insights into how thoughts and memories form and function by studying these rhythms. To understand cognition, neuroscientists must learn its rhythms - Big Think.

The Brain-Belly Connection

In this episode of the Huberman Lab Podcast, Stanford's Dr. Andrew Huberman hosts Dr. Diego Bohórquez of Duke University. Dr. Bohórquez, an expert in gastrointestinal physiology and neuroscience, delves into the gut-brain axis, focusing on how our gut senses food. Unlike the popular microbiome focus, Dr. Bohórquez explores how our gut detects nutrients like amino acids, fats, and sugars, akin to how our eyes sense light. This episode reveals the intricate sensory mechanisms within our digestive system, offering a deeper understanding of how our gut communicates with our brain. ‎Huberman Lab: Dr. Diego Bohórquez: The Science of Your Gut Sense & the Gut-Brain Axis.

Following the Pharma Funds

How much Big Pharma is paying doctors discusses the financial relationships between doctors and pharmaceutical companies, highlighting the Open Payments website. This platform, run by Medicare, allows the public to see the payments made to doctors by healthcare companies. A recent JAMA study revealed that many physicians endorsing products on social media have received payments from the companies behind these products. The article emphasizes the importance of transparency in understanding these financial ties and their potential impact on healthcare costs and quality in the U.S.

Your Gut on Salt

Excessive salt, though essential historically, disrupts the gut microbiome, likely contributing to health issues like high blood pressure, heart disease, and metabolic disorders. Modern diets, laden with processed foods, exacerbate these problems. High sodium intake alters beneficial gut bacteria, leading to inflammation and metabolic disruptions and increasing cravings and weight gain. Reducing salt intake and focusing on unprocessed, plant-based foods can help maintain a healthy microbiome and prevent disease. The push for lower sodium in diets faces challenges from industry lobbyists, but evidence for its necessity continues to grow. How Salty Food Can Poison Your Microbiome.

Jazz Mind and Flow

Researchers at Drexel University's Creativity Research Lab studied how jazz musicians reach a creative "flow state." They discovered that flow involves a balance between expertise and releasing focus. Using EEG, they recorded the brain activity of 32 jazz guitarists, finding that flow states correlated with reduced frontal lobe activity, indicating low cognitive control. Experienced musicians showed enhanced sensory brain activity. The study suggests achieving flow requires extensive practice and the ability to let go of conscious control, allowing automatic, creative responses. This dual approach can help in mastering any creative task. Brain Scans of Jazz Musicians Reveal How to Reach a Creative' Flow State' | Scientific American.

+see also: We all can reach a "flow state." Here's how. - Big Think.

017 - Ganzflicker, Misinformation, Canine Cognition, and Happiness

What Your Dog Wants

+Dogs understand our behavior better than we do theirs. The article What Your Dog's Behavior Means (gift article) gives insight into what your canine companion might be thinking.

+An article that resonated for me (and Theodore and many of his pals): The Pet-Name Trend People Can't Resist.

Ganzflicker and Hallucinations

For millennia, humans have sought alternate states of consciousness. Most of us are aware of the effect of psychedelic drugs on consciousness. Here is an article about using light to achieve altered states: What is ganzflicker? The strange history of hallucinating without drugs. Although ganzflicker sounds risky for those prone to light-induced seizures, (and perhaps seizures are the reason for the hallucinations), I'm increasingly fascinated by the effect of repetitive light and sound on human physiology: Alzheimer's Disease and Gamma Waves.

How to Help Someone you Love With Their Depression

An estimated 21 million adults in the United States have suffered at least one bout of depression. How to Help Someone With Depression (gift article) has some tips on how to recognize the illness with others and some things to do to help.

Tips to Improve your Sleep

The NY Times published the article, How to Get Better Rest, According to a Sleep Expert (gift article) with helpful tips to combat sleep disruption and insomnia. If you're interested in the topic, read Matthew Walker's book, Why We Sleep: Unlocking the Power of Sleep and Dreams

Prebiotic Primer

I often find myself explaining the difference between prebiotics and probiotics. Now I may refer folks to the N.Y. Times article: What Are Prebiotics And How Do They Work? (gift article)

Resilience First, Then Happiness

+For whatever reason, my inbox has recently overflowed with stories about happiness. Parents: Don't focus on happiness, help build resilience instead argues that to cultivate happiness in our children (and ourselves), we should focus on resilience. After all, cultivating happiness depends on one's ability to regulate distress.

+The happiness paradox, explained in 7 minutes is from a different source with an identical message.

Fermented and Fibrous Foods May Lessen Stress

+John Cryan is a prolific scientist who has published a great deal on food, the microbiome, and how they likely influence cognitive and mental health (for an overview, see his Tedx talk and his list of publications: ). This week, he published a brief overview of his most recent paper on how eating particular foods may lower perceived stress levels: Fermented foods and fiber may lower stress levels.

+Here's a story on foods to improve gut health: Best Foods For Gut Health

Cultivating Levity

Humor and levity are essential for well-being. Why Humor and Levity Are Important, According to Experts (gift article) has tips to cultivate more.

The Evolution of Laughter

+Why do we laugh? And why is laughter contagious? Why Is That Funny, describes the phenomenon and evolution of laughter. ^a2a14a

Understanding the Science Behind Complementary Health Approaches

If you are using (or thinking about using) a complementary approach to your health, read these fact sheets from the National Center for Complementary and Integrative Health: Know the Science of Complementary Health Approaches.

Triskaidekaphobia

Everything you might want to know about the number 13: Why is 13 considered unlucky? The power behind this notorious number.

What Makes a Song Great, Beato, and Dylan

+Music plays an integral part in my well-being. Bob Dylan wrote a book, The Philosophy of Modern Song. Here is a summary article in The Atlantic: Bob Dylan Reveals Himself Through 66 Songs.

+Although quite a different animal, the premise of Dylan's book reminded me of Rick Beato's YouTube Channel. My favorite feature of Beato's channel is "What Makes This Song Great," where he dissects classic rock songs. If you'd like to see a list of the songs he's covered, see: Rick Beato - What Makes This Song Great Playlist

How to Make Life More Transcendent

People traditionally turned to religious and spiritual behaviors to gain a sense of meaning in a confusing world. Religious belief correlates with searching for and finding purpose in life. Although, as a whole, our society is less religious than previous generations, it is still possible to infuse transcendence into your life: What Transcendent Experiences Do to Your Brain.

SuperForecasting

I enjoyed reading the book Superforecasting: The Art and Science of Prediction, as mentioned in my newsletter 016 - Vampire Hormones, Zombie Fungi, Micromorts, and Bugs in Space. IARPA, the U.S. government's Intelligence Advanced Research Projects Activity heavily influenced the subject matter. IARPA is to the intelligence community what DARPA is to the Department of Defense. The book offered a fascinating integration of math, history, economics, psychology, positive psychology, and a whole host of other domains. I'm always a sucker for a Dark Horseand Philip E. Tetlock is one.

Why do We Believe Misinformation

WaPo had a good article on the psychology of misinformation entitled Why do we believe misinformation? I learned the concepts of the "illusionary truth effect" and the "continued influence effect." The article is well worth a read especially since political misinformation is so abundant these days.

Quote of the Week

"It is only possible to live happily ever after on a daily basis." —Margaret Bonanno

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