weed smoke vs tobacco Survey: College kids smoked more pot than cigarettes last year Marijuana and tobacco are often
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 Long term Marijuana Smoking Can Impair Blood Vessel Function UCSF MedConnection Smoking pot vs. tobacco: What science says about lighting up FOX 9 Minneapolis St. Paul Does Marijuana Cause Lung Cancer? Keck Medicine of USC
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