The brain ages just like the rest of a body, says a new report that urges seniors to take steps to keep sharp. The prestigious Institute of Medicine examined what scientists know about "cognitive...

More cancer patients are getting the genes in their tumors mapped to help guide their treatment. New research suggests that isn't always accurate enough, and a second test could help ferret out the...

Diabetes that develops early in pregnancy may increase women's chances of having a child with autism, according to a new study. The risk was seen in young children whose mothers were diagnosed...

Doctors traced a man's kidney failure to an unusual cause - his habit of drinking a gallon (almost four liters) of iced tea each day. They ruled out several potential causes before stumbling on a...

The intensive care unit is a last frontier for physical therapy: It's hard to exercise patients hooked to ventilators so they can breathe. Some hospitals do manage to help critically ill patients...

The makers of the nasal spray version of the flu vaccine say now they know why it has failed to protect young U.S. children against swine flu - fragile doses got too warm. The AstraZeneca FluMist...

Dr. Angelo Volandes remembers performing rib-cracking CPR on a frail elderly man dying of lung cancer, a vivid example of an end-of-life dilemma: Because his patient never said if he wanted aggressive...

An apple a day doesn't necessarily keep the doctor away. That's according to proverb-busting research that found daily apple eaters had just as many doctor visits as those who ate fewer or no...

One of the world's most popular weed-killers - and the most widely used kind in the U.S. - has been labeled a probable carcinogen by the International Agency for Research on Cancer. The decision...

Health officials have discovered a new germ in Eastern Europe that is related to the dreaded smallpox and monkeypox viruses but so far seems far less threatening. The germ caused two cattle...