A 15-minute workout may sound like a gimmick, but actually, just a quarter of an hour can make a big difference. Research suggests that short work...

If you've got 10 minutes, you've got a workout. That's the consensus among exercise researchers, who are finding full benefits from abridged worko...

Got five minutes? Even if you can't block off the time for that 90 minute yoga class or three mile run, there's still no reason you can't rev up y...

If you can only find 30 minutes (or less) to fit in some exercise, what's the best use of your time -- a cardio workout or a weight training session?

Within reasonable limits, more exercise is better for you than less exercise.