Two flu vaccine makers said on Friday they had started shipping supplies for the U.S. market, one of the earliest starts ever to distributing seasonal influenza vaccine.

If you're trying to bring your blood pressure to healthy levels, a new study suggests that how much you weigh is more important than how fit you are.

While most stroke survivors will suffer falls, strategies to prevent these dangerous events continue to fall short, suggests a new study out of Australia.

Despite studies suggesting that birth control pills might not work as well in obese women, a new study suggests that they prevent pregnancy the same no matter what a woman weighs.

Paging script-writers: Pumping on a patient's chest during CPR while a stretcher careens down a hospital hallway works just fine, Chinese researchers have found.