(Columbia University's Mailman School of Public Health) Adult marijuana use rose significantly in states that passed loosely regulated medical marijuana laws (MMLs) according to a new study by Columbia University's Mailman School of Public Health and Columbia University Medical Center. Highest increases were reported among adults ages 26 and over. Little change was found in past-month marijuana use among adolescents or young adults between the ages 18 and 25.
from EurekAlert! - Social and Behavioral Science http://ift.tt/2t7mBP6
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