Has the public conversation around marijuana gotten ahead of the science?

Marijuana is legal in more places, more accepted than ever, and a lot stronger than it used to be. But what does the latest research actually tell us about cannabis and the brain, especially for teenagers, daily users, and people using it for anxiety, sleep, or depression? Deepak D'Souza, Professor of Psychiatry at Yale University School of Medicine and Director of Yale’s Center for the Science of Cannabis and Cannabinoids, joins Newell to talk about the latest research on cannabis and the brain, especially for teenagers, daily users, and people using it for anxiety, sleep, or depression.