marijuana Burning it forms polycyclic hydrocarbons and releases CO2 and CO
polycyclic hydrocarbons cause cancer
CO binds to myoglobin (reduces efficiency of your blood cells carrying oxygen to your cells)
Don't try to tell me otherwise, I trust my PHD holding chemistry teachers more then internet people.
THC kills cancer cells (http://content.karger.com/ProdukteDB/produkte.asp?Doi=312686)
Marijuana is psychologically addictive
"withdrawal" makes you irritable and bored easily
fuckit
http://www.erowid.org/plants/cannabis/cannabis_effects.shtml