Patients have been hospitalized after reporting lung issues. >> this is alarming and confusing. many of these patients reported using e-cigarette products, such as thc, both widely sold. dr. sanjay gupta takes an eye-opening exploration for the risks for people who vape cbd. here's a sneak peek. >> vaping cbd, one of the most popular ways to take it. 30% of cbd users do it. and it turns out vape is likely what made their tainted cbd so much more dangerous. >> when we're talking about positive effects and you're inhaling it by vaping it, that is probably is an effective