[garciasn]

> The researchers found that intermittent exposure to high carbon dioxide levels caused the brain’s blood vessels to pump as they do during deep sleep, driving the glymphatic system.

[...]

> But an around an hour after the intervention ended, the amyloid and tau-clearing benefits had returned to baseline. Further studies need to explore whether this has an impact on Alzheimer’s disease risk or progression in the long-term, and how often you’d need to do it, says Vincent Tay at Changi General Hospital in Singapore.

> Further studies need to explore whether this has an impact on Alzheimer’s disease risk or progression in the long-term, and how often you’d need to do it, says Vincent Tay at Changi General Hospital in Singapore.