spinal fluid (CSF), that clears metabolic and cellular waste products in the brain. This
system's function in the brain is analogous to that of the lymphatic system in the rest of the
mammalian body. It is hypothesized that CSF clears harmful chemicals from the brain by
flowing through interstitial spaces in the brain during sleep. While there is growing
recognition of the critical role the glymphatic system plays in maintaining normal brain health …