11-21-2012, 05:38 PM
Kaiser did a long term study where they followed tobacco only smokers, cannabis only smokers, and those who smoked both. As expected, the lung cancer rates for tobacco only smokers was increased as compared to non-smokers. More interesting is that the cannabis only smokers did not show an increase of lung cancer over non-smokers. Surprisingly, the tobacco/cannabis smokes showed a lower incidence of lung cancer than tobacco only smokers. The cannabis appeared to have a prophylactic effect against lung cancer.
A long term study of Jamaican cannabis users also found no increase in incidence of lung cancer.
Many more recent studies have found cannabis to have anti-cancer properties. Of course these studies have been done in other countries, notably Australia and Israel, as the U.S. government only allows studies whose proposed purpose is to prove that cannabis is bad. If a study is proposed to look for good attributes of cannabis, or even to approach the research with an open mind, NIDA and the DEA won't allow the study.
At this point, I think it might be best to put this discussion to bed, though I won't object to letting another have the last word. This is a friendly car forum and I think we are fast approaching the edge of the envelope here. I leave this discussion with the observation that, at least in the context of this discussion, science doesn't change opinions and opinions don't change science.
A long term study of Jamaican cannabis users also found no increase in incidence of lung cancer.
Many more recent studies have found cannabis to have anti-cancer properties. Of course these studies have been done in other countries, notably Australia and Israel, as the U.S. government only allows studies whose proposed purpose is to prove that cannabis is bad. If a study is proposed to look for good attributes of cannabis, or even to approach the research with an open mind, NIDA and the DEA won't allow the study.
At this point, I think it might be best to put this discussion to bed, though I won't object to letting another have the last word. This is a friendly car forum and I think we are fast approaching the edge of the envelope here. I leave this discussion with the observation that, at least in the context of this discussion, science doesn't change opinions and opinions don't change science.

