is cigarettes or weed worse Adding tobacco to cannabis doesn't affect the high, but impacts memory and heart | UCL News Does Marijuana Cause Lung Cancer?
Does Marijuana Cause Lung Cancer? Are There Risks From Secondhand Marijuana Smoke? Early Science Says Yes KCUR Kansas City news and NPR The science is clear: Marijuana is safer than tobacco Daily Montanan Comprehensive characterization of mainstream marijuana and tobacco smoke Scientific Reports
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