National Academies Detail the State of Weed Science

A new report summarizes what we know about the impacts of marijuana use, as more states have legalized the drug for both medical and recreational purposes.

Written byBob Grant
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WIKIMEDIA, HUPU2Researchers have been studying the effects of smoking marijuana, either for recreation or as a therapy, for decades. But even as use of the drug becomes ever more popular—and ever more legal—science still has a relatively poor grasp on the health benefits or drawbacks associated with smoking weed.

This is one of the main take home messages from a National Academies of Science, Engineering, and Medicine report released today (January 12) that collates recent research findings on the health effects of cannabis and cannabinoids. The report was compiled by a committee of researchers and public health officials, who combed through more than 10,000 abstracts published since 1999.

“For years the landscape of marijuana use has been rapidly shifting as more and more states are legalizing cannabis for the treatment of medical conditions and recreational use,” Harvard University public health researcher Marie McCormick, chair of the committee, said in a statement. “This growing acceptance, accessibility, and use of cannabis and its derivatives have raised important public health concerns. Moreover, the lack of any aggregated ...

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Meet the Author

  • From 2017 to 2022, Bob Grant was Editor in Chief of The Scientist, where he started in 2007 as a Staff Writer. Before joining the team, he worked as a reporter at Audubon and earned a master’s degree in science journalism from New York University. In his previous life, he pursued a career in science, getting a bachelor’s degree in wildlife biology from Montana State University and a master’s degree in marine biology from the College of Charleston in South Carolina. Bob edited Reading Frames and other sections of the magazine.

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