The National Institutes of Health said it has uncovered a nearly century-old container of ricin and a handful of other forgotten samples of dangerous pathogens as it combs its laboratories for...

New monkey studies show that one shot of an experimental Ebola vaccine can trigger fast protection, but the effect waned unless the animals got a booster shot made a different way.   Some...

Removing both breasts to treat cancer affecting only one side doesn't boost survival chances for most women, compared with surgery that removes just the tumor, a large study suggests. The results...

A new study reports one of the biggest potential advances against heart failure in more than a decade — a first-of-a-kind, experimental drug that lowered the chances of death or hospitalization...

A single funeral caused many.   Stephen Gire and other health researchers on the ground in Africa had some hope that the Ebola outbreak was coming under control or at least plateauing in...

The American Heart Association's first policy statement on electronic cigarettes backs them as a last resort to help smokers quit. The American Cancer Society has no formal policy but quietly took...

An experimental Ebola drug healed all 18 monkeys infected with the deadly virus in a study, boosting hopes that the treatment might help fight the outbreak raging through West Africa — once more...

"Do-it-yourself" blood pressure measurements and medicine changes work better than usual doctor-office care in some patients, a study of older adults in England found.   Those who...

Sorry, clean freaks. No matter how well you scrub your home, it's covered in bacteria from your own body. And if you pack up and move, new research shows, you'll rapidly transfer your unique...

New research suggests a one-two punch could help battle polio in some of the world's most remote and conflict-torn regions: Giving a single vaccine shot to children who've already swallowed...