3. Your Lack of Sleep
Good shut-eye helps your metabolism stay steady. When you toss and turn night after night, it’s harder for your body to use energy well, which can make conditions like diabetes and obesity more likely.
4. Strict Diets
How you lose weight matters. If you don’t eat enough, your metabolism switches to slow-mo. Severe diets, especially when you also exercise, teach your body to make do with fewer calories. That can backfire, because your body clings to those calories, which makes it harder to take weight off.
