That midnight snack you're stealing while you're struggling to get back to sleep may satisfy late night hunger - but it may also be extra calories your body doesn't need.

Weight loss, especially in the belly, is key to improved blood vessel function. The improved blood flow was noted regardless of whether the pounds were shed from a low-fat or low-carb diet.

For the most part, type 2 diabetes is caused by obesity. But there are other factors that may raise your risk of diabetes, including bacterial infection.

Some people are at higher risk of obesity because those are the genes they were dealt. But walking instead of watching TV can cut their risk of obesity in half.

The obesity epidemic especially afflicts low-income people - who are also less likely to receive good health care. But at least one experimental program offers some positive results.

For some people, losing weight is not as easy as dieting and exercising. Sometimes, extremely overweight people need surgery to protect them from the dangers of obesity, such as diabetes. But which surgery is best?

Extremely premature babies are already at high risk for impaired brains, but those born to obese mothers may be at even more a disadvantage.

Although gaining too much or too little weight during pregnancy can cause problems for the baby, cognitive problems are not among them.

Men needing to lose weight may want to consider talking to a health counselor, a new study suggests.

If you feel like you're your thoughts are caught in a hamster wheel, it may be time to hop on a pair of real wheels - and use physical exercise to stave off burnout.