There are lots of reasons to make running part of your regular fitness routine. It’s great for your heart (and even lowers your risk of developing heart disease!), helps boost bone density, relieves ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? Running uses muscles, especially in the lower body, so that counts for ...

Running uses muscles, especially in the lower body, so that counts for something—but it doesn't quite put enough demand to make those muscles grow in meaningful ways. "I wouldn't say running is a ...