Dr. Sanjay Gupta penned an open letter to Attorney General Jeff Sessions detailing how medical marijuana could save the lives of up to 10,000 people every year.
Today's marijuana: As more states open the door to medical and recreational marijuana legalization the taboos surrounding the herb are quickly vanishing.
The popular TV doctor will examine marijuana’s potential as both an alternative to opioids in treating pain and in ending opioid addiction. The report, called "Weed 4: Pot vs. Pills," will air on CNN Sunday at 8 am.