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Smoking Marijuana Vs. Tobacco: What Science Says About Lighting Up Cannabis users who put tobacco in joints 'more likely to be addicted' Drugs The Guardian Smoking Marijuana Increases Head and Neck Cancer Risk Henry Ford Health Detroit, MI Cannabis use tied to head and neck cancer More Americans than ever believe marijuana smoke is safer than cigarette smoke, but they're wrong smoking cannabis vs cigarettes Special issue on Developmental effects of smoking, vaping, and cannabis use Rogers

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