"Marijuana Can Cause Cancer."
Or Marijuana Prohibition May Cause Politicized Science And Bad Journalism.
An Article and An Abstract of the Report.
See
Marijuana Prohibition, Media Criticism, Copyrights and the 8th and 9th Commandments.
and links
December 17, 1999
Smoking Marijuana Can Cause Cancer, Study Finds.
(Marijuananews note: Reuters can do better. This is really garbage.)
WASHINGTON (Reuters) - Smoking marijuana can cause cancer, California researchers said Friday, and aging baby boomers who have been indulging since the swinging 60s may just be starting to feel its ravages.
(Marijuananews note: The author of that sentence should go to work for the Czar. Maybe he already does.)
The report, by Dr. Zuo-Feng Zhang of the Jonsson Cancer Center at the University of California Los Angeles, adds to evidence that smoking cannabis can have cancer-causing effects similar to those linked to cigarette smoking.
"Many people may think marijuana is harmless, but it's not,'' Zhang said in a statement.
(Marijuananews note: Party line straw man argument.)
See
Is marijuana really harmless, like everyone has been saying?
"The carcinogens in marijuana are much stronger than those in tobacco. The big message here is that marijuana, like tobacco, can cause cancer.''
(Marijuananews note: First, there is no way that the conclusion that "The carcinogens in marijuana are much stronger than those in tobacco" can be drawn from an epidemiological review. There is simply no data on that in this sort of study. It may help him get another NIDA grant, however. NIDA funds 85% of the "research" on marijuana. The study did not give them their money’s worth, but the media interviews are the payoff. This is a common practice.
Second, this directly contradicts the abstract below, which says that "the carcinogenic properties of marijuana smoke are similar to those of tobacco." That is true except for the fact that tobacco contains nicotine which is highly toxic and may indirectly contribute to cancer because it is a vasoconstrictor and consequently reduces blood flow to tissues.
There is no evidence that cannabinoids cause cancer.
Consequently, the most that can be said about this study is that long-term heavy smoking of illegal marijuana – which may have been contaminated by government herbicides, or anything else that might be found in contraband, may -- or may not -- cause cancer.
I would not be surprised if there is some cancer risk in very long-term heavy smoking of marijuana, especially contraband of unknown origin. Such a conclusion would not support marijuana prohibition, on the contrary, nor would it limit the medical use of marijuana.
This risk is an argument for the use of vaporizers, but their existence cannot be acknowledged. It is not an argument for arresting marijuana users, but that cannot be acknowledged either.)