9 Surprising Reasons You're Not Losing Weight

Experts agree: while cardio is essential to shed pounds, to see real results, you must also lift weights — and not be afraid of heavy weights! Former Canyon Ranch director and group fitness expert Aimee Nicotera explains that lifting heavier weights than you're used to might be the "nudge your body needs to change"; she also promises you won't bulk up from this shift. Lifting heavy weights raises our body's hormone levels, offering your body the natural ability to burn fat for a full 24 hours after your workout.