Age is Just a Number

As seniors face complex health decisions, age alone may not be the best guide. Medical associations and health groups are shifting to consider life expectancy when recommending screenings and treatments. With the average life expectancy of a 75-year-old being 12 years, online tools like the "Know Your Chances" calculator can estimate mortality and disability risks, providing valuable context beyond age. By incorporating factors like smoking history and health status, patients can make more informed decisions about their healthcare, ultimately improving outcomes and avoiding unnecessary treatments. A Number That Should Guide Your Health Choices (It's Not Your Age) - The New York Times (gift article)

Immune System Influences Behavior

A recent study found the immune system (at least in mice) plays a role in altering our behaviors, especially in response to allergic triggers. "We find immune recognition controls behavior, specifically defensive behaviors against toxins that are communicated first through antibodies and then to our brains." Our Immune System May Help Guide Behavior

Humata.AI: ChatGPT to Query Academic Manuscripts

If you rely on academic publications for your work, prepare to have your mind blown. With Humata.AI,, after uploading a pdf of a manuscript, you can ask questions about the content or ask questions about a folder full of articles in aggregate. It worked incredibly well in the manuscripts I tried. My only complaint about this nascent tool was the limited ways to interact with the content, but I'm sure features will expand as the tool matures. Humata.ai worked much better in my experimentation than another tool I tried, Liquidtext. I suspect the field will get increasingly crowded with science-aware chatbots. Humata.AI is free for the first 60 pages of content, $15/month for more.

Using ChatGPT to Improve Your Writing

Large Language Models, like ChatGPT, are helpful in various ways for writing. Here are some ideas: 5 Ways ChatGPT Can Improve, Not Replace, Your Writing +And here is an article about using ChatGPT in medical diagnosis: A Mystery in the E.R.? Ask Dr. Chatbot for a Diagnosis.

Yo-Yo Diet Industry's Latest Spin

The weight loss industry is witnessing a new wave of reinvention as Americans continue their yo-yo relationship with dieting. Diet apps like Noom and WW (formally WeightWatchers) are now adopting a psychological approach to weight loss, emphasizing self-acceptance and joyful movement. Recently, Noom and WeightWatchers have integrated GLP-1 obesity drugs like Ozempic into their services, acknowledging that medications can be crucial in achieving good health for many. This shift reflects the desire to lose weight, though the approach has evolved from moralizing to a more attainable, value-neutral goal. The Diet Industry Is Pivoting to Ozempic

Unraveling the Mystery Behind Graying Hair

Gray hair is a visible example of how genetics and aging interact. Hair gets its color from melanin, a natural pigment produced by melanocytes. As we age, stem cell melanocytes can become trapped, leading to gray hair. Stress may also play a role in graying. While there's no reliable way to prevent or reverse gray hair, recent research suggests some intriguing possibilities. Why Does Our Hair Turn Gray? The Science of Aging Hair, Explained

Health System Monopolies

The NY Times published an opinion piece on healthcare monopolies: Opinion | The Ridiculous Medical Bill Brought to You by the Latest Hospital Merger - The New York Times (gift article). Hospital mergers and consolidations have created monopolies in the healthcare system, leading to decreased patient choice, rising prices, and limited innovation. The Biden administration has attempted to address the issue with antitrust activity, but hospital mergers have proven harder to curb compared to other industries. The Federal Trade Commission faces challenges blocking hospital mergers due to lengthy analysis and limited resources. Vertical mergers, where extensive hospital systems acquire smaller ones or doctors' practices, further exacerbate price increases. States are now considering price regulation as a possible solution to rein in the power of giant health systems.

Learning on Vacation

In this article, Arthur C. Brooks explores a vacation model often overlooked—turning leisure into learning. Research suggests that pursuing intrinsic interests and learning something new enhances well-being, even if it involves some sacrifice. By focusing on activities that captivate our curiosity, like taking a class or engaging in a guided retreat, vacations can be transformed into rewarding and content-filled experiences. So, instead of conventional models, consider turning your time off into an opportunity for personal growth and happiness. How to Have Your Most Fulfilling Vacation Ever

Young Blood Slows Aging (in Mice)

In a groundbreaking study, scientists extended the lifespans of older mice by connecting their blood vessels to younger mice, resulting in a 6 to 9 percent longer life for elderly rodents. Though not an anti-aging treatment for humans, the research suggests that compounds present in the blood of young mice may promote longevity. The experiment involved parabiosis, joining the animals together for an extended period, and upon separation, the aging process of the older mice appeared to have reversed, making them biologically "younger." Blood of Young Mice Extends Life in the Old - The New York Times (gift article)

Genetic Judo

"It's very cool. It turns something the cancer cell needs to stay alive into something that kills it, like changing your vitamin into a poison." Scientists at Stanford have developed a novel molecule that could potentially lead to groundbreaking cancer drugs. The molecule links cancer-driving proteins to cell-death genes, effectively turning the molecules promoting deadly growth into self-destruction triggers. In lab experiments, this dumbbell-shaped molecule was successful in activating cell-death genes in a blood cancer, diffuse large B-cell lymphoma. Flipping a Switch and Making Cancers Self-Destruct - The New York Times (gift article)

New Year's Anti-Resolutions and To-Don't Lists

"when you don't know the right way forward, you might succeed by focusing on what you know to be wrong instead." I learned quite a bit from Your bad attitude can make you happier.

Galentine's Day-Dinner with Strangers

The Radical Act of Eating With Strangers was an interesting article about friendship and social connection. I wonder how it might work here in North Carolina. (I ran out of gift articles)

How to Combat Loneliness

An article from Harvard Health with suggestions to combat loneliness: 3 ways to create community and counter loneliness

What is the neuroscience behind social anxiety, an affliction that affects 40 million people in the U.S.? Fear of Failing: The Secrets Behind Social Anxiety

Steven Pinker Interview

Steven Pinker is an influential cognitive psychologist and author. In the interview, The ultimate guide to rationality, , he touches on "topics such as human progress, the tragedy of the commons, Bayesian reasoning, and strategies to curb our most destructive instincts, with the ultimate goal of improving the world for everyone."

Tattoos and Immunity

The skin is the body's first line of defense. For thousands of years, humans have been decorating their bodies with tattoos. Scientists still aren't sure what happens to our immune system when we receive one.Tattoos do odd things to the immune system

Foods that Fight Inflammation

Here is a brief but informative article from Harvard on anti-inflammatory foods: Foods that fight inflammation

GPT-4 AI Scores 85% on USMLE

Microsoft released a paper this week that showed that the latest GPT model could pass the USMLE: GPT-4 on Medical Challenge Problems - Microsoft Research. +Eric Topal breaks down the implications of AI for medicine: Multimodal AI for medicine, simplified - by Eric Topol

Intelligence and (un)Happiness

"Your intelligence is more likely to bring you happiness if you put it to use by chasing better ways to love and serve others rather than elbowing others aside and hoarding worldly rewards." Another interesting article in the Atlantic's How to Build a Life: Intelligence Is More Than a Tool to Get Ahead

Defining "Life" and "Death."

Technology forces us to reexamine what we consider alive and dead. The ideas are far-reaching, including law, medicine, ethics, and morality. Another thought-provoking article in Wired: The End of 'Life' As You Know It

Applying Scarcity to Gym Membership

Years ago, Robert Cialdini wrote a classic book on sales techniques: Influence, New and Expanded: The Psychology of Persuasion. The rise of pricey, application-only gyms is an exemplar of Cialdini's principles: The Rise of Exclusive, Application-Only Gym Memberships (gift article)

Animal Personality and Scientific Results

Here is an interesting article questioning whether animal personality might alter scientific results. Animal Personalities Can Trip Up Science, But There's a Solution

Cancer and Circadian Rhythm

A study published in Trends in Cell Biology reviewed the influence of circadian rhythms on cancer biology. "The circadian rhythm governs most of the cellular functions implicated in cancer progression, and its exploitation, therefore, opens new promising directions in the fight against metastasis. In this review, we summarize the role of the circadian rhythm in tumor development and progression, with emphasis on the circadian rhythm-regulated elements that control the generation of circulating tumor cells (CTCs) and metastasis. We then present data on chronotherapy and discuss how circadian rhythm investigations may open new paths to more effective anticancer treatments." A new time dimension in the fight against metastasis

Beethoven's DNA

An article on how sleuths tracked down and analyzed strands of Beethoven's hair. The findings are fascinating: DNA From Beethoven's Hair Unlocks Medical and Family Secrets (gift article) and Beethoven's Genome Has Been Sequenced for the First Time, Revealing Clues About the Great Composer's Health & Family History

Meat Lobbies

Here is an article on how the meat industry changed the proposed recommendations of the Intergovernmental Panel on Climate Change report. I learned quite a bit from the article, including that the global beef industry is estimated at around $400 billion and that meat and dairy produce about 14.5% of global greenhouse emissions. The meat industry got the IPCC to edit a climate change report

Using Google Maps to Plan your Vacation

I'm going to try this: How To Use Google Maps Immersive View To Vacation Plan Like a Pro

Who is Most at Risk for Long-Covid?

A meta-analysis revealed the risk factors for long-covid: being female, obese, over 40, a smoker, and having previous medical conditions. Who Is Most At Risk for Long Covid? (gift article)