Being physically fit is healthy for the body and mind, regardless of age. New research suggests that physical fitness also may give a boost to kids' grades in school.

Even though there are a variety of aids to help people quit smoking, it’s still a tough habit to kick. But if one of those aids isn't doing the job, a combination of smoking cessation therapies may do the trick.

Electronic cigarettes, or e-cigs, have been marketed as the "healthy" alternative to regular cigarettes. However, new research questions whether people really are aware of the effects of e-cigs on their health.

Traumatic brain injury has been one of the signature injuries to result from the US involvement in Iraq and Afghanistan. But there is more than one way to get this injury.

Parents can try to teach their kids safe habits, but when it comes down to it, teens will make their own decisions. The CDC has released new data on teens' potentially risky behaviors.

While PTSD is often associated with the battlefield, anyone can experience it after any traumatic situation. In fact, about one in 12 pregnant women have PTSD symptoms.

A healthy brain depends on a healthy heart. Good cardiovascular health may not only help prevent stroke and dementia, it also may play a part in maintaining memory and learning abilities.

While there are ways to ease symptoms of Alzheimer's disease, there are no treatments to stop the disease itself. For that reason, many doctors and researchers have shifted their focus to finding ways to prevent the disease.

As smoking has begun to decline in some parts of the world, including the US, it is still increasing in other regions. A new study explored tobacco use in Asia.

Obstructive sleep apnea is a serious condition that can increase the risk of obesity, type 2 diabetes and other diseases. The most common treatment for sleep apnea is CPAP. But it's not always easy to get patients to use CPAP every night.