Human breast milk is sold for babies on several online sites for a few dollars an ounce, but a new study says buyer beware: Testing showed it can contain potentially dangerous bacteria including...

Three years ago, French researchers declared that a centuries-old mummified head was that of the beloved King Henri IV. But now a new study says, "Non!"   The original conclusion...

The longest, most comprehensive follow-up yet of women given hormone pills during landmark government research found many health risks faded and some unexpected benefits emerged, but advice remains...

Little Amelia Sloan is a pioneer: Shortly after her birth, scientists took drops of the healthy baby's blood to map her genetic code.   Amelia is part of a large research project that is...

Repeated warnings that antibiotics don't work for most sore throats and bronchitis have failed to stop overuse: U.S. doctors prescribed these drugs for most adults seeking treatment at a rate that...

Gentlemen, we can rebuild him, after all. We have the technology.   The term "bionic man" was the stuff of science fiction in the 1970s, when a popular TV show called "The Six...

Expecting twins? You probably don't need to schedule a cesarean section. Most moms can safely give birth without surgery, a big study finds.   It's the latest research to question...

David Hilfiker knows what is coming. He was diagnosed with Alzheimer's so early that he has had time to tell his family what he wants to happen once forgetfulness turns...

Health officials are embarking on an ambitious plan to wipe out tuberculosis in children worldwide, even though they don't know exactly how many cases there are.   Experts say...

Doctors have found a way to put healthy people's poop into pills that can cure serious gut infections — a less yucky way to do "fecal transplants." Canadian researchers tried this...