Looking for a fountain of youth? You may need to search no further than your sneakers. Exercise, particularly high-intensity interval training, encourages your cells to make more proteins to feed ...

Researchers have long suspected that the benefits of exercise extend down to the cellular level, but know relatively little about which exercises help cells rebuild key organelles that deteriorate ...

The fitness boot camp craze is evolving. It's no longer just the crack-of-dawn, sergeant-led calisthenics classes. Mommy Bootie Camp in Kensington, Md., packs a lot of punch, with a focus on interval ...

In the fitness world, the word “miracle” gets thrown around like a two-pound dumbbell. But when it comes to high-intensity interval training (HIIT), a very short workout, the benefits you’ve heard ...

Squeezing in time to exercise can be challenging, especially if you juggle a hectic schedule. But staying physically active is one of the most important things you can do for your health as you age.

If you’ve resolved to get more fit in 2025, you’re in luck, because almost any exercise will steer you toward that goal. But of all your exercise options, few will be as effective, simple, adaptable ...

HIIT may offer the same health benefits as regular exercise in less time and help reduce body fat, heart rate, and blood pressure. It may even help improve blood sugar levels and insulin sensitivity.

When I first heard about an app that promises the benefits of a sweaty bike ride or trip to the gym in seven minutes, I assumed it was all hype. It isn't. Designed by exercise physiologist Chris ...

Should you go all out in bursts or settle in for the long haul? Experts explain which ride style helps you build more stamina ...