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What marijuana really does to your body and brain

Business Insider Logo By Erin Brodwin,Kevin Loria of Business Insider | Slide 1 of 22: <p> Marijuana's official designation as a <a href="http://www.dea.gov/druginfo/ds.shtml">Schedule 1 drug</a> - something with "no currently accepted medical use" - means it's pretty tough to study.</p><p> Yet a growing body of research and numerous anecdotal reports link cannabis with several health benefits, including pain relief and the potential to help with certain forms of epilepsy. In addition, researchers say there are many other ways marijuana might affect health that they want to better understand.</p><p> Along with several other recent studies, a massive report released this year by the National Academies of Sciences, Engineering, and Medicine helps <a href="http://www.businessinsider.com/new-national-academies-sciences-report-marijuana-cannabis-health-effects-2017-1?utm_source=msn.com&utm_medium=referral&utm_content=msn-slideshow&utm_campaign=bodyurl"> sum up</a><a href="http://www.businessinsider.com/new-national-academies-sciences-report-marijuana-cannabis-health-effects-2017-1?utm_source=msn.com&utm_medium=referral&utm_content=msn-slideshow&utm_campaign=bodyurl"> exactly what we know</a> - and what we don't - about the science of weed.</p>

What marijuana really does to your body and brain

Marijuana's official designation as a Schedule 1 drug - something with "no currently accepted medical use" - means it's pretty tough to study.

Yet a growing body of research and numerous anecdotal reports link cannabis with several health benefits, including pain relief and the potential to help with certain forms of epilepsy. In addition, researchers say there are many other ways marijuana might affect health that they want to better understand.

Along with several other recent studies, a massive report released this year by the National Academies of Sciences, Engineering, and Medicine helps sum up exactly what we know - and what we don't - about the science of weed.

© Reuters/Fredy Builes

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