The core components of health-related fitness include cardiovascular and muscular endurance, flexibility, and your body’s ratio of fat compared to muscle and bone. It’s well known that being ...

While we may refer generally to ourselves or someone else as fit, there are many components of fitness. It’s a general term that lacks the specificity you might need to improve in your particular ...

It’s easy for runners to assume that “physical fitness” is equal to performance metrics—the faster or longer you run, the more fit you are. To that end, you plan your workouts in service of training ...

We've long known that regular exercise builds muscle, strengthens the heart, and lifts our mood, but a new paper shows the benefits go even further—physical activity doesn't just improve the body, it ...