Woo, is gaining popularity for its focus on fat burning while preserving muscle. This diet emphasizes intermittent fasting, ...

If you shed pounds too fast, you’ll lose muscle, bone, and water instead of fat, says the Academy of Nutrition and Dietetics. The academy’s advice: Aim to lose 1-2 pounds per week, and avoid ...

If you have a fast metabolism ... for weight gain is about 0.5 to 1 pound per week, Gnau says. Always check in with your doctor before changing your diet and workout routine.