Researchers have discovered a man with three penises, making it the first instance of this ultra-rare birth condition in a ...

Findings supported by the NIH pave the way for the development of genetic testing, clinical trials, and therapies.

Both experienced complications after taking abortion medications, the reporting said — complications, doctors emphasized, that are exceedingly rare and entirely treatable."To read about a mom ...

Data from states indicates that voting by noncitizens is rare. But Republican officials ... Louisiana is continuing to draw attention to the issue. He recently signed an executive order ...

Scientists at the National Institutes of Health (NIH ... each individual disease is rare, complicating efforts to identify enough people to study and conduct clinical trials to develop treatment.