Michigan has the second-highest number of registered medical marijuana users in the country, and a new state law allows recreational use of marijuana as well. University of Michigan Addiction Center researchers surveyed nearly 800 chronic pain patients at medical marijuana clinics across the state, and asked about their diving habits. In this video, Erin Bonar, Ph.D. describes some of their findings, and the implications of marijuana legalization for public policy and personal decisions.

Learn more about the study: http://michmed.org/MlgA8