Climate Change
Heat and Humidity Are Already Reaching the Limits of Human Tolerance
Events with extreme temperatures and humidity are occurring twice as often now as they were 40 years ago
Fitness1132 articles archived since 1845
Medicine
The Weight of Stigma: Heavier Patients Confront the Burden of Bias
Research shows that antifat bias lowers the quality of care for higher-weight patients. Here is one patient’s story
Diet
The Weight Game: How Body-Size Bias Can Hold Back Health Science
For decades, assumptions about weight have clouded our view of health
Fitness
Texting Thumb, Trigger Finger, Gamer’s Thumb and Other Smartphone Injuries
What causes them and how to protect yourself
Fitness
This Formula Calculates How Many Calories You Burn If You’re Doing Absolutely Nothing
When it comes to dieting, here’s how to tally the so-called basal metabolic rate
Fitness
The Kavli Prize Presents: Understanding Touch [Sponsored]
Ardem Patapoutian shared The Kavli Prize in Neuroscience in 2020 for answering a basic question: How does touch actually work?
Public Health
Why Extreme Heat Is So Deadly
Heat waves kill more people than any other type of severe weather in the U.S. And climate change is making them more frequent and unpredictable
Policy
Weed Shouldn’t Be Banned for Elite Athletes, Some Experts Say
The disqualification of a leading U.S. Olympics candidate has brought the World Anti-Doping Agency’s marijuana prohibition under fire
Fitness
My Stupid Elbow and the Crisis in Health Care
A lingering hockey injury forces a science writer to reconsider his criticism of American medicine
Fitness
The Problem with Pain Scores
Physicians often ask you to rate your agony on a scale from one to 10—but the response doesn’t necessarily say anything useful
Fitness
Aging’s True Tactics
New research pins the maximum length of human life
Fitness
Your Brain Does Something Amazing between Bouts of Intense Learning
New research shows that lightning-quick neural rehearsal can supercharge learning and memory.
Fitness
What Is the Immune System, and How Does It Work?
Through evolution, we’ve gained an entire arsenal for fighting off potentially harmful microbes of all sorts.
Fitness
Nutrition, Immunity and a Global Pandemic
The COVID-19 pandemic has focused attention on the importance of having a well-functioning immune system.
Fitness
Why Are People with Obesity More Vulnerable to COVID?
Chronic inflammation and immune breakdown appear to be key reasons
Fitness
Gut Reactions: Microbes in the Digestive Tract Influence COVID Severity
Our resident bacteria help regulate the immune system and response to infections
Fitness
Can Vitamin D Help Protect against COVID?
Some studies suggest an impact, particularly for those who are vitamin-deficient. But for now, the jury is out
Neurology
Could Mitochondria Be the Key to a Healthy Brain?
Some researchers suspect these bacterial ancestors living within our cells may contribute to a wide range of neurological and psychiatric disorders
Fitness
Decoded: What Are Neurons?
You have 86 billion of them inside you, but do you understand how hard it was for us to learn that?
Fitness
Hormone Highs and Lows Follow a Seasonal Pattern
A newly discovered internal body clock creates annual peaks and valleys
