We think of lung cancer being the result of tobacco smoking. And while that's certainly a risk factor, nearly a quarter of lung cancer patients have never taken a puff. A never before known genetic event may solve this mystery.

Migraines can be agonizing for a person. On top of the misery during a migraine episode, concerns about recurrence of headaches soon after an attack are a cruel reality for many.

Exercise is one of the easiest ways to treat disease and stay healthy overall. While more Americans are getting physically active on their spare time, one group that really needs exercise is barely moving.

Carrying around too many pounds does no body any good. This, unfortunately, is especially the case with cancer survivors. And having too, too much weight can be a drag on survival. Literally.

As if police officers did not already face enough dangers on the job, they can now add one more hazard to the list: a high incidence of sleep disorders.

As drug addicts enter rehab and try to restore order to their lives, many face recurrent insomnia. Researchers recently tested a medication as a possible remedy.

The diagnosis of prostate cancer doesn't necessarily mean that a man needs to launch into treatment. He has a number of options. A new online tool will help him make decisions about what's best for him.

Scientists understand the big picture of how vaccines work in the body but not all the specifics at the cellular level. Now they have discovered one more piece of the puzzle.

Recent studies found that those with mental health problems miss the most work, and now researchers discovered the same goes for children in school.