Or skip your favorite early-morning show—whatever it takes to grab a few more minutes of sleep each day. When researchers at the University of Chicago studied men who were sleep-deprived, they found that after just a few days, their bodies had a much harder time processing glucose in the blood—a problem common in overweight diabetics. When the individuals returned to a more normal seven to eight hours of sleep a night, however, their metabolisms returned to normal.

Add a cup of low-fat milk, a part-skim mozzarella stick, or a half cup of low-sodium cottage cheese to breakfast, and you may have a belly-busting win. While lots of research links calcium with lower body weights, results from a 2014 study suggest that calcium-containing foods may reduce waist circumference in those genetically predisposed to carrying weight in their midsection.
×