065 - Opposites Don't Attract, Black Licorice, and Cognitive Reserves - HealthHippieMD Week In Review

Association Between Red Meat Intake and Type 2 Diabetes Risk

A comprehensive study recently published in The American Journal of Clinical Nutrition has identified an association between the frequency of red meat consumption and an increased likelihood of Type 2 diabetes development. "After adjusting for other factors, including physical activity and alcohol intake, the researchers found that the more servings of red meat that people ate, the more likely they were to develop diabetes." The research, which encompassed the analysis of dietary patterns and medical records of approximately 217,000 health professionals, particularly highlighted a heightened risk associated with processed meats, including bacon, hot dogs, and lunch meats. While the study delineates correlation rather than causation, it suggests that dietary modifications, such as reducing red meat consumption and emphasizing plant-based proteins, could decrease the associated risks. Eating Red Meat May Increase Type 2 Diabetes Risk, Study Suggests - The New York Times. (gift article)

A.I.'s Fresh Perspective on Food Preservation

Rancidity, the unsavory side effect of oxidation, challenges food quality and safety. Researchers have traditionally relied on antioxidants to counteract this, but determining the right mix can be complex and time-consuming. Enter artificial intelligence. Scientists have harnessed A.I. to predict the optimal combinations of antioxidants, offering a more precise approach to food preservation. While initial results showed discrepancies between A.I. predictions and lab tests—especially with lard—continued data input fine-tuned the model's accuracy. With AI's predictive prowess, the future of food preservation may see enhanced efficiency and broader applications. Can A.I. Help Stave Off Food's Expiration? - The Atlantic.

Déjà Vu: A Glimpse into Memory's Mysteries

Déjà vu, that uncanny feeling of having "been here before" has puzzled humanity for ages. Anne Cleary delves deep into this phenomenon, suggesting it's more than a quirky brain glitch. Historically, explanations have varied from mere double perception to complex memory-based theories. Recent research from Cleary's lab proposes that déjà vu might be an evolutionary tool, sharpening our attention for survival. Interestingly, around two-thirds of people experience déjà vu, often triggered by familiar settings. While the sensation remains enigmatic, Cleary's exploration suggests a blend of memory, perception, and, perhaps, a touch of irony from our brains. Déjà vu – a window on the past and a key to human survival | Aeon Essays.

Personalized Nutrition: The Government Wants You!

The U.S. federal government has initiated a comprehensive study to delve deeper into personalized nutrition. While established dietary guidelines offer a general roadmap for health, individual responses to food can vary due to genetics, gut microbiomes, and other factors. The National Institutes of Health, with a budget of $189 million, is set to recruit 10,000 adults over five years. This study, titled "Nutrition for Precision Health," aims to understand how individuals metabolize and react to different diets. The ultimate goal is to utilize this data to create machine-learning algorithms for bespoke diet plans, moving beyond the conventional one-size-fits-all approach. What's the best diet? A federal study aims to find out. - The Washington Post. (gift article) ^

The Mediterranean Diet

The New York Times, back in January, published a great article on the Mediterranean Diet: The Mediterranean Diet Really Is That Good for You. Here's Why. - The New York Times (gift article)

Healthcare Workers and Burnout

The C.D.C. published a new study on the American Workforce. They found that healthcare workers were disproportionately burned out compared to other professions surveyed. "Prior to Covid, we knew that many hospitals were understaffed, that health care workers were burning out," Dr. Debra Houry, the chief medical officer at the C.D.C., said in an interview on Tuesday. "I think Covid escalated that, and I think it just really strained the system." Why Health Care Workers Are Burning Out - The New York Times. (gift article)

The Unspoken Privacy Revelations of A.I.

Recent research has unveiled that advanced chatbots can discern significant personal information from seemingly innocuous conversations. These chatbots, trained on vast amounts of web content, are adept at identifying subtle linguistic patterns, enabling them to accurately infer details such as a user's race, location, and occupation. This capability raises concerns about user privacy and hints at a potential shift in advertising strategies, where chatbots could be used to construct detailed user profiles. As technology advances, the line between anonymity and transparency becomes increasingly blurred. A.I. Chatbots Can Guess Your Personal Information From What You Type | WIRED.

Introverts Guide to Extroversion

Laurie Santos's Podcast this season focuses on social connection. This week, I listened to The Introvert's Guide to Extroversion. As a card-carrying introvert, I found many of the suggestions helpful (and a bit terrifying).

Busting the Opposite Attract Myth

A recent large meta-analysis in Nature Human Behavior blows up the myth that in relationships, opposites attract. In fact, "like attracts like." "Opposites attract" is a myth. Partners often share traits - Big Think.

Brain Bank

We may finally know how cognitive reserve protects against Alzheimer's explores the concept of cognitive reserve and how it can help protect our thinking abilities as we age. It discusses the latest research on the mechanisms behind cognitive reserve and how education, lifestyle, and social engagement can all contribute to building mental reserves. The file also includes a retirement quiz and other helpful resources to help plan for a comfortable future. Overall, it emphasizes the importance of exercising the brain throughout life and taking steps to maintain cognitive health. (requires Apple News+ Subscription)

American Friendships by the Numbers

A recent study by the Pew Research Center provides an in-depth analysis of friendship patterns in the U.S. The research reveals diverse friendship circles, encompassing members from hobby groups to neighbors and classmates. A significant 61% of U.S. adults deem close friendships as pivotal to leading a fulfilling life, surpassing the importance of marriage, children, or financial wealth. While a majority (53%) report having between one to four close friends, there's a concerning 8% with no close friendships, highlighting a potential loneliness issue. How many friends do Americans have? A survey crunched the numbers : NPR. (thanks, Dave Pell, NextDraft)

Black Licorice

Happy Halloween! Beware if you plan to raid your family's candy stash, especially if you prefer authentic black licorice. Here are some of the health implications of binging on black licorice (but not red) from the National Center for Complementary and Integrative Medicine. Licorice Root - NCCIH.

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

033 - Coulrophobia, Lucid Dreaming, and Cowless Dairy - HealthHippieMD Week In Review

The Calorie Hunter

Science had an interesting article on Duke scientist Herman Pontzer, whose work has challenged some of the most fundamental beliefs on weight management. "Exercise prevents you from getting sick, but diet is your best tool for weight management." This scientist busts myths about how humans burn calories—and why

SAD Myth

These scientists think Seasonal Affective Disorder is not what we thought it was. The Surprising Truth About Seasonal Depression "The seasons do affect our lives, although a growing body of research shows that major psychological effects such as depression and cognitive slowdown are likely not what most of us are experiencing during winter."

Step-by-Step Guide to Lucid Dreaming

I've not yet had a lucid dream. Using this guide, I am going to try: How to Lucid Dream (Even if You Think You Can't)

Aggressive End-of-Life Care

An article in the NY Times about how care escalates for many (most?) patients, frequently beyond what they desire: Aggressive Medical Care Remains Common at Life's End (gift article)

Health Worker's Mental Health

Healthcare workers suffer from sleep deprivation, exhaustion, and stress. All these factors contribute to poor mental health. "In our study, about half of the healthcare workers we surveyed reported that their work interfered with their family life, while about 30% experienced family life interfering with work. Importantly, these conflicts were linked to poor mental health, such as depression." Health care workers are frazzled – and poor sleep may turn stress into poor mental health See also a blog post I wrote about Mindfulness and Medicine

Introverts and Friendship

I'm an extreme introvert. I found this article insightful and interesting: How to Make Friends as an Introvert(gift article)

AI and Cancer

The article, An AI Told Me I Had Cancer, bothered me. Although I share the author's frustration with accessing one's medical information, I found the author's opinions pretty naive (about AI, medicine, research, and the accuracy of data models). I can think of few better uses of AI than as a tool to augment a physician's terminal disease diagnosis. The author ignores the many types of AI--the article lumps them all together (I suspect the piece was meant to capitalize on the recent popularity of Chat GPT), and the author's premise of requiring consent to have a UI aid in their diagnosis seems ludicrous. I could go on.....

American vs. European Medical Training

As we pass through another Match Week, where medical students find out where they'll do their residency training, Mother Jones published an interesting article, Bone Tired. Underpaid. Performing Surgery. What Could Go Wrong? about differences between American and European medical training.

Mediterranean Diet Associated with Lower Risk of Dementia

A new study revealed that eating a Mediterranean-type diet – rich in seafood, fruit, and nuts – may help significantly lower dementia risk later in life. Mediterranean Diet Associated With Decreased Risk of Dementia

Cowless Dairy

Are you ready for dairy made from yeast? It's already here: Milk, cheese, and ice cream without the cow have entered the marketplace.

Coulrophobia

Afraid of clowns? You're not alone. The Psychological Reason You're Afraid of Clowns attempts to explain the phenomenon.

"Open"- AI

The arms race for artificial intelligence continues. Companies are throwing all caution to the wind in the pursuit of massive profits. "_Big tech companies like Google, Microsoft, and Meta are racing to create new AI technologies as fast as possible, often sidestepping or shrugging off ethical concerns. _"OpenAI's GPT-4 Is Closed Source and Shrouded in Secrecy

Lunchables Served in School Cafeterias

I find this hard to believe, but Kraft has developed a version of its Lunchables product that meets Federal school lunch specifications. Kraft hopes the product will be adopted by underfunded schools that can't afford (or find) the staff to cook fresh meals. "Offering branded packaged food to children through the National School Lunch Program essentially allows food companies to market directly to children with the added credibility that comes with associating their product with schools..." Lunchables in school cafeterias have child nutrition experts concerned

How to Fix a Broken Sleep Cycle

Wired has some good advice to improve your sleep habits: How to Fix a Broken Sleep Schedule

Narcissism

Narcissism exists on a spectrum. We all have some of this trait, but about 8% of the population is pathological. A little bit of narcissism is normal and healthy – here's how to tell when it becomes pathological

Music-Evoked Autobiographical Memory

Music can involuntarily bring back memories of events, people, and places from our past. This article explains why: Why Does Music Bring Back Memories?

Faux Self-Care

"If you think of self-care as a goal, it becomes another task to check off the list. But when you consider it as values and decisions that inform all of your different roles and activities, it can deeply impact the quality of your life." Although written with women in mind, How Women Can Avoid 'Faux Self-Care' and Beat Burnout (gift article) has useful information for everyone.