Hate to agree with harrison but any1 who thinks smoking pot is not bad 4 u is dum.
- Many of the carcinogens and co-carcinogens present in tobacco smoke are also present in smoke from marijuana.
- Marijuana smoking does cause inflammation and cell damage, and it has been associated with pre-cancerous changes in lung tissue.
- Marijuana has been shown to cause immune system dysfunction, possibly predisposing individuals to cancer.
http://lungcancer.about.com/od/cause.../marijuana.htm
http://www.ncbi.nlm.nih.gov/pubmed/1...ubmed_RVDocSum
http://www.cancer.org/Cancer/LungCan...r-risk-factors