The Indian government announced Tuesday the development of a new low-cost vaccine proven effective against a diarrhea-causing virus that is one of the leading causes of childhood deaths across the developing world.

Oscar-winning actress Angelina Jolie disclosed Tuesday that she had a preventive mastectomy after learning she had a gene mutation that significantly raised her risk of breast cancer. A look at the procedure:

Treating breast cancer almost always involves surgery, and for years the choice was just having the lump or the whole breast removed. Now, new approaches are dramatically changing the way these operations are done, giving women more options, faster treatment, smaller scars, fewer long-term side effects and better cosmetic results.

CHICAGO - In the face of troublingly high childhood obesity rates and what it sees as troublingly low milk consumption rates, the dairy industry says it has a solution: Offer kids flavored milk that uses low-calorie artificial sweeteners.

New research is raising fresh concern that an age-old treatment for troubled pregnancies - bed rest - doesn't seem to prevent premature birth, and might even worsen that risk.

U.S. health officials say last year was the worst ever for West Nile virus deaths.

Berlin's renowned Charite hospital said Monday it plans to investigate allegations that patients in communist East Germany were used as unwitting guinea pigs in medical trials for Western drug companies.

The government is running out of time to try to halt implementation of a federal judge's ruling that would lift age restrictions for women and girls wanting to buy the morning-after pill.

Cancer patients could face high costs for medications under President Barack Obama's health care law, industry analysts and advocates warn.

The latest weapon in the U.N.'s fight against hunger, global warming and pollution might be flying by you right now.

Two respiratory viruses in different parts of the world have captured the attention of global health officials - a novel coronavirus in the Middle East and a new bird flu spreading in China.

I use every opportunity I can to exercise, and if you are anything like me, you're in the midst of "Spring Cleaning Fever."

An unfamiliar, unlit pool and a split-second decision to dive.

The Obama administration on Monday filed a last-minute appeal to delay the sale of the morning-after contraceptive pill to girls of any age without a prescription.

France has confirmed a second case of a deadly new respiratory virus related to SARS, authorities said Sunday, as they increased efforts to inform the public about how to avoid the illness and watch for its signs.