Being obese or overweight can increase the risk of a host of health problems — diabetes, heart disease and stroke, for instance. Packing too many pounds may also raise the risk of rheumatoid arthritis.

Tree nuts are full of various nutrients, including protein, fatty acids, fiber and vitamins, and new research suggests that they may actually help fight disease.

Many women feel pressure to be thin at a young age. But dieting early in life may hurt their health later.

Fruits and vegetables may not only benefit waistlines. New research suggests plant-rich diets may also increase life spans.

Obesity is a serious condition that can easily develop in adults if they do not lead healthy lives. New research suggests adults should try for a combination of healthy behaviors in order to combat obesity later in life.

Many people coping with stressful life situations like the loss of a loved one can forget to take care of themselves. But healthy eating, regular exercise and a good night’s sleep may be key to offsetting the physical toll stress can take.

Many long-distance runners are at risk of death from heart problems during races. But athletes and doctors may need to turn their attention to another risk factor.

Childhood cancer survivors can be more susceptible to heart disease and other health problems as adults. But new research shows they can lower their risk through lifestyle choices.

With so many options for exercise, it can be tough to choose one that will fit into your schedule and provide the maximum health benefits. Taking up running might be one of your best bets.

About one third of US children and adolescents are overweight or obese, the CDC reports. Many, however, may be in denial about how much they weigh.