Dr. Stephen Hauser was a young resident at Harvard when he met his first patient with multiple sclerosis, a woman with a thriving professional life who’d been completely wiped out by her condition, ...

President Donald Trump says Russia has made a "pretty big concession" to end the war in Ukraine by stopping short of taking the "whole country." The comments follow a rare rebuke of Vladimir Putin by ...

The National Institutes of Health plans to pool information from private sources like pharmacies and smartwatches.