The dangers of drunk driving are widely known. But are statistics about deaths from this dangerous activity accurate?

More than a third of children in the United States live with a tobacco smoker, and allergic diseases are becoming increasingly common among children. Could there be a connection?

Smoking increases the risk of getting many kinds of cancers. In the case of breast cancer, smoking combined with other factors can make that risk much greater.

About one out of 10 teenagers uses illegal drugs or pharmaceutical medications for nonmedical purposes. And health professionals aren't sure what the solution to this public health problem is.

People with eating disorders often have social difficulties, as well. One hormone may improve how people with anorexia perceive the world around them. 

Doctors need to understand their patients' complete health history in order to treat them correctly. In patients with life-threatening conditions, even mental health history could be essential to ensuring a positive outcome.

Limiting children's use of television is already one recommendation that pediatricians emphasize to parents. But what might it mean if kids use too much TV, computers or video games?

For seniors, having difficulty breathing could be a sign that other medical problems are on the horizon — problems like a decline in memory and thinking abilities.

It's important to teach teens not to drive while under the influence. But there may be risk factors parents can watch for in doing so.

Attention deficit hyperactivity disorder (ADHD) may be well known, but there is still a great deal that scientists don't know about it.