A popular hypothesis for how the brain clears molecular waste, which may help explain why sleep feels refreshing, is a subject of debate. Encased in the skull, perched atop the spine, the brain has a ...

You can see it coming in right there, that little spot,” says neuroscientist and engineer Laura Lewis. A remarkably bright pulsing dot has appeared on the monitor in front of us. We are watching, in ...

Your brain’s natural rinse cycle flows while you sleep. A new study suggests certain medications interfere with that important nightly ritual. Researchers record brainwaves along with muscle and eye ...

The images are authentic and genuinely show the brain of a 44-year-old man with an excess amount of fluid in parts of his brain that may have possibly displaced other brain matter. The images were ...