Boston Herald Radio's Recreational Revolution w/ Tom Shattuck. This week, John Hudak (@JohnJHudak) author of, Marijuana: A Short History joins us to talk about the reasons for marijuana’s bad reputation. Dr Chelsea Shover (@ChelseaLShover) is an Epidemiologist and a postdoctoral research fellow in Psychiatry at Stanford Medicine. She’s led a study that found that- contrary to previous claims, medical marijuana has not been a factor in the reduction in opioid overdoses.