A specialized system sends pulses of pressure through the fluids in our brain.

Her study found the glymphatic clearance was mediated by a hormone called norepinephrine and happened almost exclusively during the NREM sleep phase. But it only worked when sleep was natural. Anesthesia and sleeping pills shut this process down nearly completely.

  • [email protected]@sh.itjust.works
    521·
    21 hours ago

    This has been fairly well known for at least 15 years among medi-academia. But discovering the specific pathways involved leaves me (femininely) turgid