Fossils of a tiny sea creature that lived 525 million years ago have preserved something paleontologists rarely find: a brain. The specimen, a worm-like animal called Cardiodictyon catenulum recovered ...

The phrase "eye stroke" has recently appeared in news reports about a very rare side effect of weight-loss injections. It's ...

The A.A.O. recommends that adults with no signs or risk factors for eye disease get a comprehensive exam at 40 to establish a ...

Welcome to Retail Therapy by Prevention! In this series, our editors provide thoughtful, honest reviews of what we’ve been testing lately that we want you to know about—because we refuse to keep these ...