Study: How the Brain Cleans Itself — VOA Learning English
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From VOA Learning English, this is the Health & Lifestyle report.
A rare look inside the human brain might help to explain how it clears away waste. Scientists say the failure to clear away such waste can lead to Alzheimer’s disease and other brain disorders.
Brain cells use a lot of nutrients. This means they produce a lot of waste. Scientists believe the brain has special structures to take out this “cellular trash,” especially during sleep. They have reported observing this process happening in mice. But they had no clear evidence that this happens in humans.
Recently published research appears to have identified a system, or network, of very small waste-clearing channels in the brains of…
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