Measures in place to prevent abuse of medical cannabis program, Health Canada says Health Canada says a "range of measures" are in place to combat abuse of its medical cannabis program, which has come under fire from the mayor of Leamington, Ont. Social Sharing CBC News · Posted: May 26, 2021 2:39 PM ET | Last Updated: May 26 Health Canada headquarters in Ottawa is shown in a file photo. The agency says measures are in place to safeguard its medical cannabis growing regulations from being exploited.(Sean Kilpatrick/Canadian Press)