Edwards Lifesciences has claimed an FDA approval for its Sapien M3 transcatheter mitral valve replacement system—marking the ...

We have only just started to understand how our brains clean themselves, but columnist Helen Thomson finds promising evidence ...

Can you chip in? As an independent nonprofit, the Internet Archive is fighting for universal access to quality information. We build and maintain all our own systems, but we don’t charge for access, ...

If you have ever sworn off social media for a week or two because you sensed it was feeding your anxiety or dampening your mood, you may be on to something. A new study out last week in JAMA Network ...