A peek inside human brain shows a way it cleans out waste

A unique peek inside the human brain may help explain how it clears away waste like the kind that can build up and lead to Alzheimer’s disease. Scientists have long thought the brain has special plumbing to flush out cellular trash, especially during sleep – they could see it happening in mice. “I was skeptical,” said Dr. Juan Piantino of Oregon Health & Science University, whose team reported the findings Monday.