Janelle Jones

In November 1996, California became the first state to legalize medical cannabis. (Many) politics and (some) physicians promised us breakthroughs in better health. Thirty years later, how are we really doing? Men’s Health decided to find out in this special report package. Read more here .

KEVIN HILL, MD, the guy when it comes to this stuff. He’s the chief of the Division of Addiction Psychiatry at Beth Israel Deaconess Medical Center. We talked to him about all the questions you probably have about weed and addiction.

MH: You can be addicted to weed? Really?

Dr. Hill: Absolutely. Most people who use cannabis don’t develop a cannabis use disorder or cannabis addiction. But there has always been a subset of individuals who do. Five years ago, the data indicated about 10 to 30 percent of adults develop a cannabis use disorder. Now the published data says 30 to 35 percent.…