Ever feel like you're fighting a losing battle? Here are 10 ways to start winning the war (11 Photos)
Cynthia Ramnarace on Jan 28, 2013 at 4:08PM
chime in nowThat skinny broad of a best friend likely has a higher metabolic rate than you do, says Dr. Rosch. Aside from gender (men generally have higher metabolisms), there are two other factors that control how your body uses energy: Age and muscle mass. If your friend isn’t younger than you, then she likely has more muscle and therefore a higher metabolism. “When you have a lot of muscle mass, you have a higher burning furnace that requires more fuel to maintain,” says Rosch. You can beat your friend at her own game by incorporating muscle-building weight-training into your workout.