A remarkable trove of fossils from Colorado has revealed details of how mammals grew larger and plants evolved after the cataclysm that killed the dinosaurs. The thousands of specimens let...

U.S. health officials want women getting breast implants to receive stronger warnings and more details about the possible risks and complications. The Food and Drug Administration said Wednesday...

Hospitals could soon face shortages of critical surgical tools because several plants that sterilize the equipment have been shut down, government health officials said Friday. The Food and Drug...

Measles has a stealth side effect: New research shows it erases much of the immune system's memory of how to fight other germs, so children recover only to be left more vulnerable to bugs like flu or...

Biogen Inc. said it will seek federal approval for a medicine to treat early Alzheimer's disease, a landmark step toward finding a treatment that can alter the course of the most common form of...

As an academic psychiatrist who treats people with anxiety and trauma, I often hear questions about a specific class of medications called benzodiazepines. I also often receive referrals for patients...

A study of former professional soccer players in Scotland finds that they were less likely to die of common causes such as heart disease and cancer compared with the general population but more likely...

Scientists have found the strongest evidence yet that a virus is to blame for a mysterious illness that can start like the sniffles but quickly paralyze children. The poliolike syndrome, called...

So is red meat good or bad for you? If the answer were only that simple. A team of international researchers recently rattled the nutrition world by saying there isn't enough evidence to tell...

People often ask me what I do for a living. In the past, I would start with something vague, saying things like “I’m a researcher; I work at the university. I work with teenagers.”...