The most advanced vaccine for dengue only offers modest protection but could still help millions of people avoid the devastating effects of the disease known as "breakbone fever," according...

On a recent morning in London, Lara Thomson practiced spinning on benches, swinging from metal bars and balancing off raised ledges — all elements of a daredevil discipline known as...

More than a dozen Americans — including cancer patients, their family members and physicians — called on U.S. health regulators on Friday to block the use of electronic surgical tools used...

A U.S. girl born with the AIDS virus and in remission for years despite stopping treatment now shows signs that she still harbors HIV — and therefore is not cured. The news is a setback to hopes...

Citing an anthrax scare and other safety problems, U.S. officials on Friday said they shut down two research labs and stopped shipping highly dangerous germs to other labs.   An incident at...

In the past decade, billions of dollars have been spent trying to save the lives of mothers in developing countries using strategies — usually inexpensive drugs — deemed essential by the...

It may not destroy your soul, but it turns out heavy metal music can be hazardous to your brain. At least in some rare cases.   German doctors say they have treated a Motorhead fan whose...

Bone marrow transplants save thousands of lives but patients are vulnerable to severe viral infections in the months afterward, until their new immune system kicks in. Now scientists are developing...

DNA testing is taking a bite out of the Bigfoot legend. After scientists analyzed more than 30 hair samples reportedly left behind by Bigfoot and similar mythical beasts like the Himalayan Yeti, they...

Efforts to prevent the spread of a dangerous virus need to be stepped up ahead of the start of the Muslim pilgrimage season, when millions of people from all over the world will travel to Saudi...