Fitness

An elite athlete’s metabolism mostly looks different from that of a person with COVID—but their occasional similarities can reveal important insights into health and disease

Experts explain how moving in reverse can take pressure off your knees and improve flexibility

“Bed rotting,” or staying in bed all day, has been touted as a self-care routine on TikTok, but it might actually make you feel worse. Here’s why that happens and how you can snap out of it

Studies of goal setting reveal why it’s so hard to keep resolutions—and how to make ones that actually stick

A streak can motivate you to keep up with behaviors ranging from praying to running to sharing pictures on social media

Cardiologists forecast greater heart attack risks as winter and summer temperatures become more extreme

The butterflies, and gas, in your tummy while you’re in flight might not just be from nerves

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

Experts are more concerned about a lack of activity in older adults who are somewhat overweight than about weight loss

Here’s why your body sheds fat and muscle when you diet

Here’s why older adults naturally lose muscle mass over time and how regular physical activity and resistance training can help

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