We're all familiar with the feeling of zoning out, especially when we're sleep-deprived. A new study suggests these brief ...

Ever wondered why you zone out in the middle of a conversation sometimes? A new study shows it's because your brain is ...

As we sleep, the brain rids itself of waste built up throughout the day. But how? When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. We spend ...

The brain needs to flush out waste products to stay healthy and fend off conditions like Alzheimer's disease. Scientists are beginning to understand how the the brain's waste removal system works.

About 170 billion cells are in the brain, and as they go about their regular tasks, they produce waste — a lot of it. To stay healthy, the brain needs to wash away all that debris. But how exactly it ...