Some people online believe many of us have dangerous parasites in our gut and need to flush them out with herbal supplements. Here's what doctors say about the trend.

The research team created a point-of-care assay that can detect bacterial STIs, including chlamydia and gonorrhea.

You've heard of method actors — performers who fully immerse themselves in a role until a project is complete — but Baz Luhrmann has been described as a “method director.” “I make immaculate realities ...

National security, unlocked. Each Thursday, host Mary Louise Kelly and a team of NPR correspondents discuss the biggest national security news of the week. With decades of reporting from battlefields ...