I had a friend who had a surgery to unblock the cerebral fluid paths. Not sure if "shunt" is a technical name for it, but that's what he said. Also, he said he

I had a friend who had a surgery to unblock the cerebral fluid paths. Not sure if "shunt" is a technical name for it, but that's what he said. Also, he said he had insomnia before it. Really cool to see it. Internal plumbing of a human body.