The brain's cleanup crew works while we sleep
Without the glymphatic system, we're more vulnerable to neurological diseases. Here's how we can support its crucial work.
- Reviewed by Rudolph Tanzi, PhD, Contributor

Picture a group of tiny dump trucks in your brain, each carting away toxic waste that might otherwise lead to devastating neurological conditions such as dementia. It's not just a comforting image - it's a very real process that happens on a cellular level each night when we're asleep.
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About the Author
Maureen Salamon, Executive Editor, Harvard Women's Health Watch
About the Reviewer
Rudolph Tanzi, PhD, Contributor
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