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.

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.

Burning the Midnight Oil

A recent study underscores the alarming effects of working late shifts and variable schedules in young adulthood. The research, spanning three decades and including over 7,000 Americans, reveals that those with volatile work schedules, including night hours and rotating shifts, are more likely to experience poor health and depression at age 50. These findings illuminate the severity of burnout culture, where work demands often surpass the body's capacity, leading to long-term health implications. The study underscores the urgent need for support systems to help individuals maintain a healthy work-life balance and mitigate the risks associated with overwork. Burnout culture: Working late shifts can lead to depression poor health. Burnout culture: Working late shifts can lead to depression, poor health : Shots - Health News : NPR.

The Sound of Silence in Live Music

Is a love of live music wrecking your hearing? Don't let it. - Washington Post (gift article) discusses the potential harm that loud live music can cause to our hearing. Drawing from personal experience and expertise, the author highlights the dangers of prolonged exposure to high decibel levels, even in seemingly innocuous settings like bars and restaurants. The article provides practical measures for protecting one's hearing, such as using earplugs and limiting exposure time, while advocating for increased awareness and responsible practices in live music venues. Opinion | Is a love of live music wrecking your hearing? Don’t let it. - Washington Post.

Green Acres, Strong Minds

According to research, spending time in green spaces like parks can significantly improve physical and mental health. Studies show that regular exposure to nature can lower blood pressure, strengthen the immune system, reduce the risk of cardiovascular disease, and improve sleep quality. Moreover, it is associated with reduced depressive symptoms, stress alleviation, and improved cognitive function. However, access to green spaces is unequal, with lower-income communities having less access to parks and trees. Scientists are using innovative methods, such as machine learning and satellite imagery, to measure the impact of greenery on health outcomes, aiming to address health disparities. Walks in Green Parks Mean Stronger Immune Systems and Better Mental Health | Scientific American (paywall).

Counting Sheep

A recent Gallup poll reveals a concerning trend: a majority of American adults are experiencing insufficient sleep, a first in the survey's history. This lack of rest is closely tied to increased stress levels, with many individuals reporting feeling frequently stressed. The situation has worsened over the years, with more people now feeling the effects of sleep deprivation. Women, especially those under 50, are disproportionately affected compared to men. The connection between poor sleep and stress is bidirectional, underscoring the need for strategies to improve sleep quality and reduce stress levels, particularly among younger Americans. Americans aren't sleeping enough, Gallup poll says. Americans aren't sleeping enough, Gallup poll says.

Unveiling the Brain's Symphony

Scientific American had an article about a study that reveals that the brain's cortex operates like a symphony, with each layer specializing in generating different brain waves. The study, conducted across 14 cortical regions and four species, shows that outer layers process sensory input while deeper layers control how the brain processes that information. This discovery could have significant implications for understanding and treating neuropsychiatric disorders. By identifying the specific brain layers involved in generating different waves, researchers hope to shed light on conditions such as schizophrenia, where imbalances in brain waves are evident. Scientists Discover Extensive Brain-Wave Patterns | Scientific American (paywall).

Mouth Microbe May Muddle with Colon Cancer

Researchers have uncovered a potential link between colon cancer and a bacterium commonly found in the human mouth. The study identified a specific subtype of Fusobacterium nucleatum that appears to be associated with colon cancer growth and progression. This discovery could lead to improved screening methods and new therapies for the disease. The bacteria's presence in colon tumors suggests a connection to disease development, highlighting the need for further research. The findings may pave the way for a vaccine targeting this bacterium, similar to the approach used for the human papillomavirus. Colon Cancer Linked to Mouth Bacteria | Scientific American (paywall)(thanks, Amy).

How Gut Fungi Worsen Covid

In a study published in Nature Immunology, researchers discovered that severe COVID-19 patients exhibit an imbalance of certain gut fungi, triggering a prolonged immune response that outlasts the initial infection. This imbalance leads to increased neutrophils, causing inflammation characteristic of Covid-19. The study highlights the intricate relationship between the gut microbiome and the immune system, suggesting the potential for personalized medicine in treating COVID-19 patients with antifungal drugs. The findings also raise questions about the long-term effects of fungal overgrowth in COVID-19 recovery and the potential for future fungal infections. Unruly Gut Fungi Can Make Your Covid Worse | WIRED.

A Dietary Puzzle for I.B.S. Relief

A new study suggests dietary changes trump medication to tame irritable bowel syndrome (I.B.S.). I.B.S., afflicting an estimated 6% of Americans, presents chronic abdominal pain, bloating, diarrhea, and constipation. Though its cause remains elusive and no cure exists, managing symptoms through diet adjustments or medication helps. The study, featured in The Lancet Gastroenterology and Hepatology, reveals promising clues. Notably, in most cases, a low-FODMAP diet—avoiding certain foods like wheat, legumes, and dairy—has shown symptom reduction. This discovery offers hope for those grappling with the complexities of I.B.S. What's the Best Way to Treat I.B.S.? - The New York Times (gift article).