Pot is quickly becoming America's drug of choice, on track to replace alcohol, but its harms are becoming clear as well.

Dr. Smita Das often hears the same myth: You can’t get hooked on pot. And the misconception has become more widespread as a growing number of states legalize marijuana. Around half now allow ...

Operators of a city drug-treatment program say they are seeing more patients addicted to marijuana since New York legalized the sale of weed for adult recreational use. “It’s one of the stupidest ...

Five days a week, for almost seven hours a day, children spend their time learning, playing, and interacting with others at ...