The WHO’s definition has been the target of criticism in the medical literature since its first appearance in 1948.
It's conventional wisdom that procreation between first cousins is unhealthy. But what are the actual genetic risks?
Yes, you read that right.
Deep-sea divers now know how to avoid "the bends." But decompression still poses a problem when studying marine organisms from the deep.
Susan LaFlesche Picotte was first Native American to be licensed to practice medicine in the U.S. She opened her own hospital, but didn't live to run it.
He's hailed as the "father of infection control" and the "savior of mothers," but the truth about Ignaz Semmelweis is more complicated than that.
Many abolitionists seeking to end slavery in the British West Indies were concerned less with human rights, more with the preponderance of interracial sex.
The skeleton of Charles Byrne, the “Irish Giant," has been displayed in London's Hunterian Museum for 200 years. Byrne wanted a different resting place.
Lyme disease is seeing an upswing. But the-now widespread condition was not formally described until 1977, based on a case in Old Lyme, Connecticut.
A recent salmonella outbreak, connected with pre-cut melon, has put the bacteria back in the news. Is there any bright side to salmonella?