Cannabis and first episode psychosis: Which came first?

The typical conundrum with cannabis use by adolescents and first episode psychosis — which came first? — was displaced by Steven Batki, M.D. in a plenary session at the Cape Cod Symposium on Addictive Disorders (CCSAD) last week. Bakti, who is professor of psychiatry at the University of California San Francisco Weill Institute for Neurosciences, presented his conclusions allowing the audience of some 1,000 to ask questions as he went along.