You toss and turn in the middle of the night. You wake up and can't fall back to sleep. As if that weren't bad enough, your sleeping problems may be putting you at risk for fibromyalgia.

A drug that aids patients with intermittent atrial fibrillation, a common heart arrhythmia, increased the risk of death among patients with permanent atrial fibrillation. As a result the study was halted early.

The female hormone estrogen plays a role in a number of cancers, most notably breast cancer. A new study suggests that estrogen getting into public water supplies may be increasing the risk of a common male cancer.

Finding new uses for existing drugs has taken on new emphasis of late. With advanced technology making it easier to test for "new" benefits in existing drugs, medical researchers may have hit a home run with an old antibiotic.

An experimental drug designed to aid severely ill patients after hospitalization is not more effective than standard treatments for reducing the risk of blood clots, a study has confirmed.

Cancer patients often blame mental blanks on what they kiddingly - or seriously - refer to as "chemo brain." New evidence suggests that for breast cancer survivors, the condition is very real.

With all the information out there these days, it can be hard to know which foods are good for you and which you should avoid. If you have kidney disease, your diet becomes even harder to manage.

For years mental experts have questioned the impact of genetics in schizophrenia. Recent studies shed some light on a prospective source.