better. don t wait. get your info kit now! in a new cnn documentary dr. sanjay gupta takes us inside the booming and, you know, regulated cbd industry and how a growing number of people are vaping it. reporter: vaping cbd. it s one of the most popular ways to take it. 30% of cbd users do it. and it turns out vaping is likely what made their tainted cbd so much more dangerous. when we re talking about positive fix for something like cbd, and you re inhaling it by vaping it, that s probably going to be an effective delivery system.