Weedmaps to stop advertising unlicensed pot businesses

The major online pot shop directory and cannabis marketplace Weedmaps announced Wednesday that it will no longer allow black-market businesses to advertise on its site, a decision that could boost California's efforts to rein in its vast illegal market.

Illinois becomes 11th state to allow recreational marijuana

Illinois' new governor delivered on a top campaign promise Tuesday by signing legislation making the state the 11th to approve marijuana for recreational use in a program offering legal remedies and economic benefits to minorities whose lives critics say were damaged by a wayward war on drugs.

Study: Opioid use dropped in medical cannabis states

States with medical cannabis programs saw a dramatic reduction in opioid abuse, according to a study done by University of Georgia researchers. The study was published in the Journal of the American Medical Association.