The 1000 Hours Outside Podcast1KHO 825: Take Back Your Biology From the Clutches of the Indoor World | Dr. John La Puma, Indoor EpidemicYour Brain’s Nightly Dishwasher
6:30–7:41 · 71s
Dr. La Puma explains the recently discovered glymphatic system that flushes Alzheimer’s-linked toxins from the brain during deep sleep—and how evening screens can shut it down.