Learn more about FGF21, a hormone that improves the metabolism and extends the lifespan of adult mice.

The U.S. is up to 1,267 confirmed measles cases this year and Kentucky has a new outbreak. The national case count is seven ...

More than 100,000 undocumented people sought medical care in Texas in the first four months that hospitals were required to ...

Lawyers for Texas Attorney General Ken Paxton said that accused abortionist Maria Rojas didn't use her opportunity to defend ...