Brain cleanse! Feb 6, 2025

Srilekha Deka, MD, PhD

Script Molecular is a biotech consulting firm in San Francisco, CA.

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Scientists propose that sleep acts as the brain’s cleansing cycle, flushing out accumulated chemical waste through fluid circulation. A new Cell study in mice suggests this process is driven by rhythmic blood vessel contractions, triggered by norepinehrine, a chemical related to adrenaline, that spurs the blood vessels to contract. Read more about it here.