Smoking pot vs. tobacco: What science says about lighting up - WEAU

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Smoking pot vs. tobacco: What science says about lighting up (https://www.weau.com/content/news/Smoking-pot-vs-tobacco-What-science-says-about-lighting-up-508237521.html) WEAUMost states now have legal medical pot programs; 10 states and the District of Columbia have approved recreational use.
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