In a blow to the medical cannabis establishment, a team of psychiatrists performed a detailed analysis on 15 years of cannabis research — and found not only that medical marijuana doesn’t seem to help people with acute pain or insomnia, which proponents often tout, but that almost of third of medical weed users are abusing the drug.

The findings, published in the medical journal JAMA, will likely further fuel an ongoing debate on whether the states went too far with legalization. And it comes at a wild moment: just as president Donald Trump signaled this week he’ll loosen federal restrictions on weed.

“While many people turn to cannabis seeking relief, our review highlights significant gaps between public perception and scientific evidence regarding its effectiveness for most medical con

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