Last year the National Academies of Sciences, Engineering, and Medicine convened a committee of experts to conduct a comprehensive review of the literature regarding the health effects of marijuana use. The committee considered more than 10,700 studies for their relevance and arrived at nearly 100 different research conclusions related to marijuana (cannabis) or cannabinoid use and health. Their findings were recenty published in a 400-page report.

Here are nine things about the effects of mari..