Staying up late, watching TV at night and drinking coffee may not seem like dangerous activities, but they can seriously harm adolescents' health.

Being obese in middle age can cause immediate health problems. But it may also affect brain health in the decades to come.

Major depressive disorder and obesity have previously been connected to chronic conditions like cancer, high blood pressure and diabetes. But major depressive disorder and obesity may also be connected.

Being overweight can have a wide range of effects on people's overall health, both mental and physical. And n umerous studies have shown that increased weight is associated with a decrease in sleep at night.

Taking any medication means potentially experiencing its possible side effects. Concern about antidepressants' side effects may prevent some individuals from taking them.

When most people think of major depression, they probably don't realize there are different types. But there are, and certain types can affect other health concerns.

Kids who don't get enough sleep might drive their parents crazy sometimes, but there could be more at stake. Kids' waistlines could suffer too.

Some of the biggest killers worldwide are diseases that can largely be prevented: heart disease, chronic respiratory disease, cancers and diabetes. But it will require some effort.

Previous research has suggested that people who have surgery to lose weight tend to drink more alcohol after the surgery, but new research suggests this may not be true.

The search for possible causes of autism has gone in a lot of different directions. But finding a link does not mean finding a cause.