is tobacco more harmful than weed Comparative risk assessment of alcohol, tobacco, cannabis and other illicit drugs using the margin of exposure approach Cannabis and my health -

Cannabis and my health Fraser Health Marijuana and tobacco are often compared as better or worse, but when it comes to lung health, smoke itself is the problem. Burning any substance releases toxic chemicals that irritate and damage Measuring PM2.5 concentrations from secondhand tobacco vs. marijuana smoke in 9 rooms of a detached 2 story house ScienceDirect Mythbusters: Cannabis 20 times more carcinogenic than tobacco? NZ Drug Foundation Marijuana and Vaping: Shadowy Past, Dangerous Present The New York Times Are There Risks From Secondhand Marijuana Smoke? Early Science Says Yes Houston Public Media

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