Fitness
Extreme Temperatures Can Threaten Heart Health
Cardiologists forecast greater heart attack risks as winter and summer temperatures become more extreme
Fitness1139 articles archived since 1845
Fitness
Why Do Airplane Flights Cause Digestive Problems?
The butterflies, and gas, in your tummy while you’re in flight might not just be from nerves
Pharmaceuticals
Ozempic and Other Weight-Loss Drugs Bear Heavy Costs and Questions for Seniors
Limited data on adults age 60 and older raise questions on whether high-priced weight-loss drugs will really help with lowering rates of chronic illness and disability
Fitness
Some Excess Weight Is Healthy for Older Adults
Experts are more concerned about a lack of activity in older adults who are somewhat overweight than about weight loss
Diet
Why You Don’t Just Lose Fat When You’re on a Diet
Here’s why your body sheds fat and muscle when you diet
Exercise
How to Keep Muscles Strong as You Age
Here’s why older adults naturally lose muscle mass over time and how regular physical activity and resistance training can help
Fitness
Can You Change Your Metabolism?
Though you might not be able to significantly rev up your metabolism, there are ways to boost the energy your body burns while doing nothing
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
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.
