Exercising doesn't just reduce fat — it helps the body store fat in a healthier way, according to a new study. Body fat is necessary because it provides insulation and stores and releases energy.

How exactly does whole-body vibration work? Experts explain how it can help with muscle tone, metabolism and more.

Weight gain during exercise often reflects more muscle, not setbacks in your progress. Muscle is denser than fat, so body composition can improve even if the scale doesn’t drop. Fluid shifts, ...

Working out while trying to lose weight can feel like it’s you against the scale. One day your weight is down, then suddenly, it’s up a few pounds, even though you’re exercising pretty regularly. But ...