Whether you've invested in one of the best treadmills or you're just trying to get the most out of cardio at your local gym, walking or running in the same place, at the same pace, can end up making ...

Treadmills are a staple of every gym, but not everybody loves them. For some, the monotony of walking or running in place makes it the “dreadmill.” But there’s a good reason to use the machine, says ...