Metabolic Health

107 - Booze and Bugs, Sound Health, and Akkermansia - HealthHippieMD Week In Review

Routine Recall

Sticking to repetitive routines might seem beneficial, but research reveals it can harm memory and cognitive function. Breaking free from habitual activities, such as doing the same workouts or eating the same meals, can improve mental stimulation, rewire your brain, and even increase happiness. Diversifying daily activities like cooking new recipes, learning new skills, or engaging in varied physical exercises promotes neuroplasticity and better cognitive health. Simple changes help stimulate the brain, enhance memory, and foster a greater sense of well-being. Keep your brain active by embracing novelty and variety. The #1 Habit to Break to Improve Your Memory.

Parkinson's Disease May Start in the Gut

A recent study adds weight to the theory that Parkinson's disease might originate in the gut rather than the brain. Researchers found that damage to the gastrointestinal lining, such as ulcers and esophagitis, increased the likelihood of developing Parkinson's later in life. The results support the "gut-first" hypothesis, which posits that misfolded proteins in the gut could spread to the brain through the vagus nerve, contributing to the onset of Parkinson's. Early detection and treatment of gut issues may be crucial in reducing this risk. Parkinson's may begin in the gut, study adds to growing evidence - The Washington Post (gift article).

Brain Fluid's Far-Reaching Voyage

Recent research reveals cerebrospinal fluid (CSF) may travel far beyond the brain and spinal cord, challenging long-held beliefs. Researchers injected fluorescent tracers and gold nanoparticles into mice's brain chambers and discovered the fluid reached peripheral nerves like the sciatic nerve. This breakthrough suggests CSF and peripheral nerves interact in ways not previously understood, potentially revolutionizing drug delivery to otherwise hard-to-reach nerves. While much is still unknown, these findings open new doors in neuroscience and pain management, especially for conditions like Ehlers-Danlos syndrome. Brain fluid may travel to distant parts of body | Science | AAAS (Thanks, Amy!).

Age is Just a Number (or is it?)

How much does aging affect mental acuity? It's debatable explores the complex relationship between aging and mental acuity, debunking common misconceptions about the elderly and cognitive decline. It highlights that age alone doesn't determine mental function—factors like lifestyle, genetics, and environmental influences play pivotal roles. While aging can affect reaction time and memory, the brain retains adaptability through new learning strategies. Cognitive frailty, distinct from dementia, can signal increased vulnerability to stress, but it isn't inevitable. The piece urges regular cognitive screenings, physical activity, and social engagement to support healthy brain aging and prevent mental decline.

Sound Health

The National Center for Complementary and Integrative Health of the NIH is considering expanding its Sound Health Initiative. The Sound Health Initiative aims to: 1. expand current knowledge and understanding of how listening, performing, or creating music involves intricate circuitry in the brain that could be harnessed for health and wellness applications in daily life, 2. explore ways to enhance the potential for music as therapy for neurological disorders, 3. identify future opportunities for research, and 4. create public awareness about how the brain functions and interacts with music. The NIH is requesting information to build research capacity through career-stage training programs potentially. Request for Information (RFI): Inviting Comments on Early Career Stage Training Programs to Support Capacity Building for Music and Health Research | NCCIH. +see also: Information from the joint NIH/National Endowment for the Arts December 2023 Workshop: Music as Medicine: The Science and Clinical Practice | NCCIH

The Thick Truth About Akkermansia

Akkermansia muciniphila, a probiotic microbe, is gaining attention for its potential health benefits, including weight management, better blood sugar control, and stimulating satiety hormones. While studies suggest higher levels of Akkermansia are linked to better metabolic health, its role is still under scrutiny due to limited research and possible side effects, including heightened vulnerability to pathogens. Despite the buzz and celebrity endorsements, experts urge caution and recommend prioritizing diet and exercise for gut health before turning to expensive supplements like Pendulum's probiotic products. A probiotic called Akkermansia claims to boost health. Does it work? - The Washington Post (gift article).

Buy Less, Do More

Buy Experiences instead of Possessions to Build Social Connection | Scientific American explores how purchasing experiences, rather than material goods, fosters deeper social connections. Research shows that shared experiences, like attending a concert or hiking, create a stronger sense of kinship than owning similar material items. Even when experiences differ in quality, they encourage bonding more than possessions. Reflecting on experiences also promotes a broader connection to humanity, countering loneliness and enhancing well-being. The article suggests prioritizing experiences over things for personal happiness and social cohesion and encourages policymakers to invest in public spaces for shared activities.

Booze and Bugs

How Does Alcohol Affect Your Gut Health? - The New York Times (gift article) explores the complex relationship between alcohol consumption and the gut microbiome. Heavy drinking can lead to imbalances in gut bacteria, inflammation, and a "leaky gut" that releases toxins into the bloodstream, potentially damaging the liver. While moderate alcohol consumption may not have the same harmful effects, research on its long-term impact is limited. Studies suggest red wine improves microbial diversity due to polyphenols, but reducing alcohol consumption is recommended to promote overall gut health and reduce the risk of various diseases.

Processed Predicaments

Are Some Ultraprocessed Foods Worse Than Others? - The New York Times (gift article) delves into a recent study analyzing the varying health risks associated with ultra-processed foods. Researchers found that certain types, like sugar-sweetened drinks and processed meats, pose a greater risk for cardiovascular disease than others, while some foods, like cereals and yogurts, might even offer nutritional benefits. The study emphasizes distinguishing between harmful and less harmful ultra-processed foods and recommends prioritizing whole, unprocessed foods for better health. Reducing processed meats and sugary beverages remains a crucial takeaway for healthier eating.

092 - Sleeping Your Way to the Top, Mellow Yellow, and The Brain Microbiome - HealthHippieMD Week In Review

May 26th is my 60th birthday. As a gift to me, please pass this newsletter on to at least one person you think might be interested. I'd love to double my readership. Thanks for reading and your ongoing support!

Forgive and Let Live

In the podcast, Feel Better, Live More with Dr Rangan Chatterjee: #448 A Proven Prescription for Health and Happiness: Why Being Able To Forgive Improves Your Physical & Mental Wellbeing Dr. Rangan Chatterjee discusses the importance of forgiveness with Dr. Fred Luskin, a clinical psychologist from Stanford University. Dr. Luskin, the director of the Stanford University Forgiveness Projects, emphasizes that forgiveness is a crucial yet often overlooked component of health. He argues that while diet, exercise, stress, and sleep are vital, the ability to forgive can significantly improve both mental and physical wellbeing. According to Dr. Luskin, forgiveness is a perspective that can lead to profound healing and a happier life. (Thanks, Megan).

Hard Facts on Stool

Michael Harrop's Human Microbes has created a controversial black market for fecal microbiota transplants (FMT), used to treat conditions like cystitis and irritable bowel syndrome. Despite the FDA only approving FMT for Clostridioides difficile, desperate patients like Alexandra seek alternative cures from this underground source. Despite lacking medical credentials, Harrop matches "super-donors" with buyers, selling stool for $1,000 per dose. While some report miraculous recoveries, medical experts warn of severe risks and unknown long-term effects, urging caution and further research. Fecal microbiota transplant: Inside the black market for human poop.

Fit or Fat

A recent study by the University of Aberdeen reveals that exercise enhances the body's ability to metabolize saturated fats. The research focused on the "athlete's paradox," which observes that endurance athletes and people with type 2 diabetes store high levels of muscle fat. Through an eight-week experiment involving 29 athletes and 30 people with diabetes, researchers discovered that exercise enables people with diabetes to store and burn saturated fat efficiently, mirroring the athletes' fat metabolism. The study underscores the importance of regular physical activity for improving fat metabolism and overall metabolic health. Exercise improves storage and burning of saturated fat, study finds.

3 M's Sticky Situation

ProPublica's exposé reveals how Kris Hansen, a chemist at 3M, discovered toxic "forever chemicals" (PFAS) in human blood. Initially tasked with verifying external lab results, Hansen confirmed that PFAS contamination was widespread, even in the general population. Despite her findings, 3M executives suppressed the information, halting her research and enforcing secrecy. Decades later, the EPA is now demanding the removal of these chemicals from drinking water. Hansen, who remained silent for years, now grapples with the environmental and health implications of her discovery and 3 M's long-held secrets. How 3M Execs Convinced a Scientist the Forever Chemicals She Found in Human Blood Were Safe — ProPublica.

A Sobering Solution?

Scientists have developed a hydrogel that may be the answer to hangover woes and alcohol-related health issues. Crafted from whey protein and enhanced with iron atoms, sugar molecules, and gold nanoparticles, this gel breaks down alcohol in the gastrointestinal tract. In mouse experiments, it significantly reduced blood alcohol levels and prevented liver damage, weight loss, and gut problems. This novel hydrogel holds promise for both social drinkers and those with chronic alcohol issues, potentially serving as a groundbreaking remedy and preventative measure against alcohol's harmful effects. Clinical trials in humans are anticipated soon. Is this the hangover cure we've been waiting for?

The Brain Microbiome

Recent research suggests that the brain might have its own microbiome, challenging the long-held belief that the brain is a sterile organ. Initial studies from 2013 found non-human genetic material in brain tissue, hinting at the presence of bacteria and viruses. More recent investigations have discovered bacteria and fungi in the brains of both healthy individuals and those with Alzheimer's disease. However, the mechanisms by which these microbes enter the brain remain unclear. This discovery could open new avenues for treating neurological diseases, but further research is needed to fully confirm and understand these findings. Wait, The Brain Has Its Own Microbiome? What New Research Tells Us.

Mellow Yellow

A recent study reveals that D-limonene, a terpene found in citrus fruits and cannabis, reduces anxiety when combined with THC, the psychoactive component in marijuana. Conducted by Johns Hopkins University, the double-blind study involved 20 participants inhaling various doses of THC and limonene. Results showed that higher doses of limonene significantly decreased anxiety and paranoia. While the exact mechanism remains unclear, the study suggests limonene's potential as an anxiolytic agent. This research highlights the need for empirical testing of terpenes' effects, challenging unverified marketing claims in the medicinal cannabis industry. A New Study Found This Molecule Is Linked to Less Anxiety While Stoned.

Sleep Your Way to the Top

In How to Buy Yourself a Longer Life - The New York Times (gift article), Frank Bruni explores Equinox's new luxury membership, "Optimize," costing $40,000 annually and featuring services like a sleep coach, nutritionist, and personal trainer. This deluxe package aims to enhance fitness and longevity, reflecting an increasing obsession among the wealthy with extended youth. Bruni critiques this trend, highlighting the growing economic segregation and the extravagant ways the affluent flaunt their wealth and seek to optimize their lives, underscoring a deepening divide in American society.

Garden Your Way to a Healthier You

Gardening offers multifaceted benefits for both mind and body. Engaging in activities such as shoveling mulch and pulling weeds counts as moderate-intensity exercise, contributing significantly to physical activity goals. Beyond the physical, gardening provides mental health perks, including stress reduction and a sense of purpose. Emilee Weaver from the North Carolina Botanical Garden highlights how nurturing plants can be deeply fulfilling. Studies support these claims, showing that gardeners are more active and enjoy better mental health than non-gardeners. The article briefly mentions exposure to the soil microbiome and its association with mental health. The Health Benefits of Gardening - The New York Times (gift article).

Prior Authorization Frustration

Medicare Advantage plans, touted for reducing waste and inappropriate care, are increasingly criticized for unnecessarily restricting coverage. This issue is starkly illustrated by Marlene Nathanson's experience, whose stroke recovery was abruptly interrupted when her plan denied further treatment coverage. Despite significant progress in therapy, she was given just 48 hours to leave her rehabilitation facility. Traditional Medicare seldom requires prior authorization, but nearly all Advantage plans do, particularly for high-cost services. With more than half of Medicare beneficiaries enrolled in these plans, such denials are becoming alarmingly common. When 'Prior Authorization' Becomes a Medical Roadblock - The New York Times (gift article).

013 - Horseshoe Crabs, Nightmares, and Dementia - HealthHippieMD Week In Review

Nightmares and Dementia

Are frequent nightmares an early sign of impending dementia? This researcher thinks so. Having this many nightmares a week may be tied to extreme brain aging.

Horseshoe Crabs and the Pharmaceutical Industry

Most people don't realize that crab blood is critical to the modern pharmaceutical industry. Horseshoe crab's blue blood contains a compound that protects humans from infected medical supplies. How horseshoe crab blood became one of the most valuable liquids in medicine. Radiolab also has a great episode on this topic: Baby Blue Blood Drive.

Understanding the High Cost of Living Life Online

Studies have found that frequent social media use is connected with increased symptoms of anxiety and depression. The article, The High Cost of Living Your Life Online, discusses some reasons and how to combat those negative feelings.

The Healthiest Bedtime for Metabolic Health

A recent study, Early chronotype with metabolic syndrome favors resting and exercise fat oxidation in relation to insulin‐stimulated non‐oxidative glucose disposal, found that being a night owl negatively affects metabolic health. Early risers burn more fat when fasting or exercising: Going to bed before this time could boost your metabolic health.

Paul McCartney's Freakish Memory

This article is a stretch from medicine and wellness, but being a music and Beatles lover, I had to include it. Paul McCartney's freakish memory, delighted me, offering insight into the unconscious mind and a glimpse into McCartney's songwriting process. And now I love Paul McCartney even more.....

Ten Modern Paradoxes

I include this thought-provoking article because of the first paradox mentioned, hedonism. _"...psychologist Viktor Frankl wrote, "Happiness cannot be pursued; it must ensue, and it only does so as the unintended side effect of one's personal dedication to a cause greater than oneself or as the by-product of one's surrender to a person other than oneself." 10 paradoxes that will stretch your mind.

The Gut-Brain Axis in Mental Health

Thought to be fringe science only a few years ago, hundreds of scientists are now racing to unravel the microbiome's role in mental health. The article, What does the latest science tell us about our brain, gut, and mental health, gives a whirlwind tour. Also, see my lecture on the gut-brain axis: Gut Feelings: the role of the microbiome in behavioral health.

The Physiology and Neuroscience of Tickling

I approached the article, Why Can't You Tickle Yourself, with skepticism, but ended up learning quite a bit. I'm going to look more into the science of playfulness.

Why We Do Things We Know We'll Regret

" Use your resources joyfully, without guilt or shame for your abundance. But use your bounty in service of the love you have for others. Beyond your everyday needs, buy time and experiences with your loved ones. Support the people and causes you care about. Invest in getting to know others deeply. While you're at it, beyond your generosity with your money, give more of yourself by sharing your heart with honesty and defenselessness. Tell more people you love them, even when it is a little awkward or scary." I enjoyed this article by Arthur Brooks: Why We Do Things We Know We'll Regret.

The Pandemic Changed our Personalities, and not for the Better

Social scientists think of personality as being relatively stable throughout one's life. But, there is increasing evidence that the pandemic altered many of our personalities, and not for the better: The COVID pandemic may have had a lasting impact on personality traits

Fungi and Cancer

Two interesting articles were published in this week's Cell demonstrating an association between intracellular fungal DNA and cancer lethality in multiple cancer types. Despite the finding, neither study can definitively say if fungi drive these poor outcomes or if aggressive cancers create an environment where these fungi can quickly grow. The studies also don't address if fungi can contribute to cancer development, pushing healthy cells to turn cancerous. The finding opens the door to a new research domain: Fungi grow inside cancerous tumors, scientists discover.

Facing Down Loneliness and Heartbreak

Emerging scientific data suggests that social rejection — often in the form of heartbreak — can spark a similar firestorm of brain activity as physical pain. Vivek Murthy, United States Surgeon General, classifies loneliness as a public health crisis. But loneliness can be hacked: An antidote to heartbreak? Science reveals how to hack loneliness. See also the book, Heartbreak: A Personal and Scientific Journey, mentioned in the article and Vivek Murthy's book Together.

Physician Burnout

Physician burnout was a problem before the pandemic and has only accelerated during Covid times. I was well aware of the phenomenon, but what I was not aware of was that burnout is contagious: Physician Burnout Has Reached Distressing Levels, New Research Finds.

Can Technology Prevent Suicide?

Finally, I read an article on attempts to use technology to predict and contribute to suicide prevention: Can Smartphones Help Predict Suicide

Quote of the Week

"The saddest aspect of life right now is that science gathers knowledge faster than society gathers wisdom." ―Isaac Asimov