SAMHSA on Twitter: "#DYK: Marijuana smoke deposits 4X more tar in the lungs and contains 50%–70% more cancer-causing substances than tobacco smoke. Learn about the dangerous health consequences linked to youth marijuana
Fact Check: Does marijuana contain more tar than cigarettes? | Fact Check: Does marijuana contain more tar than cigarettes? Full Report: https://trib.al/ybEwXOO | By snopes.com | Facebook
Cannabis Vaping: Existing and Emerging Modalities, Chemistry, and Pulmonary Toxicology | Chemical Research in Toxicology
![Mythbusters: Cannabis 20 times more carcinogenic than tobacco? | NZ Drug Foundation - At the heart of the matter Mythbusters: Cannabis 20 times more carcinogenic than tobacco? | NZ Drug Foundation - At the heart of the matter](https://www.drugfoundation.org.nz/assets/uploads/2012-uploads/_resampled/FillWzExNDAsNTk4LjVd/aug-2012-cannabis-tobacco.jpg)