VampyricGoddess: Let's just put it this way. Nowhere in the history of man has anyone died from Marijuana.
After a brief rush around google

, I have found a few details in which coroners have attributed death as a result of cannabis, HOWEVER, in every case the deceased was also an abuser of alcohol and hard drugs such as heroin.
Why death was attributed to a herbal plant is anyones guess, but I am sure an educated guess would be correct