“Psychosis is a known risk for violence and cannabis use is a known risk for psychosis,” @AlexBerenson, former NYT reporter and author of new book on marijuana, tells @smerconish. @DavidNathanMD says his claims are “simply not supported by science” https://t.co/Zaf5RUP71h pic.twitter.com/rL0M0AFlkU
— CNN Newsroom (@CNNnewsroom) January 12, 2019