Does marijuana kill cancerous tissue

thats not what it is for! so that would be misuse of the drug. and that's a silly answer, although I'm not a doctor. I'm a patient and the real answer is yes. All humans and cancers are unique, but there have been multiple studies done in laboratory settings that proved chemicals produced in the cannabis plant attack and destroy cancer cells and tumors in rats and mice. I had survived over a year beyond median expectancy for my cancer before I had a seizure that drove me to cannabis. I've been a daily smoker since July of '08, when the prescribed anti-seizure caused severe irritability. That seizure was very likely caused by tumor growth too small to be detected by MRI. Today I have a good quality of life and am physically healthy, thanks to cannabis.