Brazilian Jiu Jitsu (BJJ) has steadily grown from a niche martial art into one of the most sought-after ways to stay fit. More people are trading in the treadmill and dumbbells for mats and gis, ...

Want to improve your running performance and smash your PRs? It's not just about running more miles. Top athletes like ...

Increasing your stamina benefits you long after you complete your last rep or final mile, too. In fact, maintaining endurance ...

With the potential return of the Presidential Fitness Test, here’s how one writer is helping her son have a better ...

Interstellar object 3I/ATLAS is about to get very active — Space photo of the week Sen. Ruben Gallego says Trump ...

You start a plan with a thud in your chest and a calendar full of promise, then watch it fizzle as life gets loud. The HIIT timer beeps. Your knees ache.

Despite men being faster in shorter races, women are much closer in endurance contests – Telegraph Sport speaks to experts to ...

New research finds that very short physical activity sessions spread throughout the day, called "exercise snacks," may boost heart and muscle health.

Endurance exercise may train the immune system as much as the muscles. Older adults with decades of running or cycling had immune cells that functioned better and aged more slowly. Their inflammation ...

All products featured on Self are independently selected by our editors. However, we may receive compensation from retailers and/or from purchases of products through these links. Like other HIIT ...

In addition to strengthening the muscles, lungs, and heart, regular physical exercise also strengthens the immune system. This finding comes from a study of older adults with a history of endurance ...

Short bursts of purposeful activity — such as walking around the block or lifting small weights — may be the best way to get in the habit of exercising. Bite-sized bits of exercise also improve heart ...