The cause of autism remains a mystery, but new evidence may rule out one possible cause — bringing researchers closer to understanding this disorder.

Recent changes in the prescription opioid market might have led to a big step forward in the fight against opioid dependency.

Everybody gets older — not just the body, but also the brain. There are, however, some things you can do that may help keep your thought processes humming along despite the extra mileage.

The breast is a long way from the brain, but now it seems a breast cancer diagnosis might affect patients’ ability to think.

If you think smoking just a few cigarettes a day keeps you free from the many risks of smoking, you may want to think again.

Many electronic cigarette fans tout the devices' ability to help people quit smoking conventional cigarettes. New evidence suggests, however, that e-cigarettes may not live up to the hype.

Much progress has been made in recent years in the public health fight against cigarettes, but new evidence suggests that US teens might be picking up electronic cigarettes as fast as they are dropping traditional tobacco.

Downing a can of soda may provide some relief from a tension-filled day. But too much of a sweet thing can become an unhealthy habit.

Surely those airplanes zooming overhead interfere with people's sleep, right? Perhaps surprisingly, this just doesn't seem to be the case.

A poor night's sleep can affect performance at work the next day, but over time, could disrupted sleep affect brain function in a permanent way? New evidence suggests it could.