Everyone wants to feel embraced by their community. Whether that’s with a group of friends or a bunch of total strangers whom we’ll one day call neighbors. And yeah, it takes effort, but sometimes, if ...

Dementia has long been framed as a slow, irreversible loss of neurons, but a new line of research is shifting attention to the blood vessels that feed the brain. Scientists are now testing whether ...

Add Yahoo as a preferred source to see more of our stories on Google. The immune system function declines with age, but a team of MIT researchers may have found a way to rejuvenate it. When older mice ...