Cbd Itself News Today

>> reporter: i traveled to virginia commonwealth university in richmond to meet this rese e researcher whos investigating vaping during this cbd craze. >> if it happens to be tainted youre increasing a rapid response of whatever its adulterated with, which is some of the concern here. >> sanjay gupta is with us now. a lot of consumers will be surprised to find out cbd is not always safe. >> the issue, cbd itself, pure cbd is safe. it can be a medicine, its nonpsycho active. the problem, its a to...