Think running an extra mile will balance out that extra serving of ice cream? Weight loss might not be as easy as the math of calorie counting.

Controlling cancer requires multiple prevention strategies. The United States has made some notable progress in recent years, but there's still room for improvement.

Exercise is almost never a bad thing, but new evidence suggests that not all exercise is created equal.

Knee pain — a sign of arthritis, related to obesity or just the result of getting older? Whatever the reason, diet and exercise might be able to prevent or reduce knee pain in overweight older adults with diabetes.

They may be key to weight loss and good health, but diet and exercise may sometimes need a little help from obesity medications and surgery.

Exercise doesn't have to be complicated. Even simple walks with friends may improve your health.

In weight loss, the real challenge may come not from shedding the pounds, but from keeping them off. New suggestions from a panel of experts could help people who have lost weight keep the pounds off.

The United Health Foundation today released its annual state health rankings. The states varied widely, and some national measures of health saw slight improvements.

Having weight loss surgery can improve obese patients' health, but it isn't a fix-all for health problems tied to being obese. Exercise may improve these patients' overall health even more and lower their risk for diabetes.

Obesity and depression are both tied to health risks like heart disease and type 2 diabetes. And now a new Centers for Disease Control and Prevention (CDC) report suggests that being obese may increase patients' risk of depression, and vice versa.