It was a solution no parent wants to hear: To get rid of a brain tumor and stop their young son’s seizures, surgeons would need to cut out one-sixth of his brain.

But for Tanner Collins, it was the best option.

A slow-growing tumor was causing sometimes-daily seizures, and medications…

CHICAGO — Lowering blood pressure more than usually recommended not only helps prevent heart problems, it also cuts the risk of mental decline that often leads to Alzheimer’s disease, a major study finds.

It is the first time a single step has been clearly shown to help prevent a…

New research shows more promise for using AIDS treatment drugs as a prevention tool, to help keep uninfected people from catching HIV during sex with a partner who has the virus.

There were no infections among gay men who used a two-drug combo pill either daily or just before and after sex with…