The brain has its own waste disposal system—known as the glymphatic system—that's thought to be more active when we sleep. There is still some debate about how this glymphatic system works in humans, ...

Share on Pinterest New research suggests the glymphatic system flushes toxins from the brain while you sleep, which could lower your dementia risk. Nisian Hughes/Getty Images New research shows sleep ...

In this episode of Tiny Show and Tell Us, we cover neurogenesis in adulthood (yes! your brain can make new neurons even as you age), the link between exercise and increased neurogenesis in the ...

Life Is So Fast You Need Rest to Do It What is sleep for? A few answers: 1. Learning 2. Memory Consolidation 3. Rebuilding Tissues 4. A brand new use—Cleaning the Brain (transporting and washing out ...

Wed, May 27, 2026 at 8:59 PM UTC But how, exactly, does this work? And what does it mean to "clean" your brain? We spoke with neurology experts to find out, and learn about other ways exercise can ...

Exercise is widely known to benefit the brain, and researchers at Penn State recently uncovered a surprisingly mechanical reason: Each time the body moves, the brain gets a kind of "rinse." According ...