is smoking pot as bad as smoking cigarettes marijuana may be more harmful to lungs than cigarettes, study finds How does marijuana affect our
How does marijuana affect our bodies? University of California Penn study: Marijuana doesn't cause bad behavior it's the other way around WHYY Smoking Cigarettes, but Not Pot, Linked to Increased Heart Disease POZ The science is clear: Marijuana is safer than tobacco Daily Montanan Smoking pot vs. tobacco: What science says about lighting up
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