The answer depends on whether you're looking to build muscle or to focus on running or longevity.

It's no secret that exercise benefits both the mind and body, and it's increasingly being recognized as a powerful tool for ...

A single, half-hour session of moderate exercise is enough to confer an immediate mood-boosting effect, and now scientists have figured out why. In mice – and likely humans – that boost comes from the ...

For years, fitness culture has promoted the idea that building muscle requires hours in the gym. But new research suggests ...

A single exercise session increased electrical activity in a brain region tied to learning and memory, a first-of-its-kind ...

One workout a day may keep the cancer away, according to a new study. Scientists from Edith Cowan University in Australia have shown that a single exercise session can suppress tumor growth in cancer ...

Share on Pinterest Research suggests that short bursts of daily exercise may be more beneficial for muscles. The Good Brigade/Getty Images A new study finds that exercising briefly five days a week ...

When you enter the gym, which way should you head first? Toward the treadmills and spin studio to get your sweat on with a cardio session? Or toward the free weights and strength-training machines to ...