Lung cancer patients who never smoked may be treated differently in the future than those who have smoked. That’s because smoking changes a person’s genes – a lot.

Smoking makes people smell bad. Who could get away with such a gross habit? The popular kids in high school may set a bad example for everyone else that smoking is cool.

Working out and exercise is supposed to help build an appetite, right? That may not be the actual case.

Beer and wine happy hours can often be so satisfying. But it may be best to leave the bottle alone when helping bones grow and stay strong.

HIV-related dementia, known as AIDS dementia complex, can create memory problems and changes in behavior. Scientists are trying to understand how HIV affects the brain.

Want to lose weight? Then exercise more, right? No doubt physical activity is important for weight loss. But so is laying down, closing your eyes and getting enough sleep.

Computers can provide games and social connections for elderly people. But can using a computer help the mind stay strong?

Many studies have looked at differences in children whose mothers drank while pregnant compared to kids whose moms didn't. But what about differences before the babies are even born?

Those scary moments when sleep apnea stops your breathing apparently does more than keep the oxygen from your brain, especially in the elderly.

Doesn’t watching TV make people couch potatoes? But it feels so good to sit and chill out for a while. Maybe it’s not all bad and there’s something to enjoying the occasional re-run.