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Old 05-25-2006, 02:40 PM  
AZORChiefFan AZORChiefFan is offline
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Marijuana use & lung cancer

MJ/Lung Cancer

Study finds no marijuana link to lung cancer

By Deena Beasley Tue May 23, 9:40 PM ET

LOS ANGELES (Reuters) - Marijuana smoking does not increase a person's risk of developing lung cancer, according to the findings of a new study at the University of California Los Angeles that surprised even the researchers.

They had expected to find that a history of heavy marijuana use, like cigarette smoking, would increase the risk of cancer.

Instead, the study, which compared the lifestyles of 611 Los Angeles County lung cancer patients and 601 patients with head and neck cancers with those of 1,040 people without cancer, found no elevated cancer risk for even the heaviest pot smokers. It did find a 20-fold increased risk of lung cancer in people who smoked two or more packs of cigarettes a day.

The study results were presented in San Diego on Tuesday at a meeting of the American Thoracic Society.

The study was confined to people under age 60 since baby boomers were the most likely age group to have long-term exposure to marijuana, said Dr. Donald Tashkin, senior researcher and professor at the UCLA School of Medicine.

The results should not be taken as a blank check to smoke pot, which has been associated with problems like cognitive impairment and chronic bronchitis, said Dr. John Hansen-Flaschen, chief of pulmonary and critical care at the University of Pennsylvania Health System in Philadelphia. He was not involved in the study.

Previous studies showed marijuana tar contained about 50 percent more of the chemicals linked to lung cancer, compared with tobacco tar, Tashkin said. In addition, smoking a marijuana joint deposits four times more tar in the lungs than smoking an equivalent amount of tobacco.

"Marijuana is packed more loosely than tobacco, so there's less filtration through the rod of the cigarette, so more particles will be inhaled," Tashkin said in a statement. "And marijuana smokers typically smoke differently than tobacco smokers -- they hold their breath about four times longer, allowing more time for extra fine particles to deposit in the lung."

He theorized that tetrahydrocannabinol, or THC, a chemical in marijuana smoke that produces its psychotropic effect, may encourage aging, damaged cells to die off before they become cancerous.

Hansen-Flaschen also cautioned a cancer-marijuana link could emerge as baby boomers age and there may be smaller population groups, based on genetics or other factors, still at risk for marijuana-related cancers.



I am sure in a year or so there'll be a study proving the exact opposite.
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Old 05-25-2006, 02:49 PM   #2
Katipan Katipan is offline
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I took that as a blank check to smoke pot.
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Old 05-25-2006, 02:53 PM   #3
chagrin chagrin is offline
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no shit, all the tar, cat piss and ammonia they shove in cigarettes is supposed to give one cancer, isn't that the point?
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Old 05-25-2006, 02:55 PM   #4
htismaqe htismaqe is offline
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Smoking pot is good for you. It always has been. And the more they study it trying to prove otherwise, the more futile they realize it is...
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Old 05-25-2006, 02:55 PM   #5
Katipan Katipan is offline
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smoke through a bong and you'll live forever!!11!
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Old 05-25-2006, 02:55 PM   #6
Taco John Taco John is offline
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Plus Marijuana has cooler names than cigarettes...

What would you rather smoke, Northern Lights Indica, or Kool Mentol Lights? Advantage: Pot
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Old 05-25-2006, 02:56 PM   #7
StcChief StcChief is offline
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Quote:
Hansen-Flaschen also cautioned a cancer-marijuana link could emerge as baby boomers age and there may be smaller population groups, based on genetics or other factors, still at risk for marijuana-related cancers.
The long term data isn't in until the old hippies start checkin out.
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Old 05-25-2006, 03:04 PM   #8
MOhillbilly MOhillbilly is offline
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i know lots of over 55 potheads and the problems they are having arent from lung cancer or any cancer.
hep yes
cancer no
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Old 05-25-2006, 03:14 PM   #9
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Quote:
Originally Posted by MOhillbilly
i know lots of over 55 potheads and the problems they are having arent from lung cancer or any cancer.
hep yes
cancer no
I'm guessing the hep is from the other stupid shit they did.
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Old 05-25-2006, 03:15 PM   #10
chagrin chagrin is offline
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Yes, I root for you all to continue smoking pot, as much as you possibly can...please
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Old 05-25-2006, 03:18 PM   #11
Katipan Katipan is offline
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I was going to wait until I had to go to work, but ok!
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Old 05-25-2006, 03:19 PM   #12
MOhillbilly MOhillbilly is offline
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Originally Posted by Brock
I'm guessing the hep is from the other stupid shit they did.
yep, and it was all the same little circle and they all got it.
but they all started w/ weed and booze,at what point it was ok to shoove a needle into themselves and mainline coke and herion is a mystery though i do know it was an older guy they looked up to that got it started.
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Old 05-25-2006, 03:23 PM   #13
StcChief StcChief is offline
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More interested in MJ only crowd long term effects.
No cigs.

That study group might be kinda small....
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Old 05-25-2006, 03:26 PM   #14
Katipan Katipan is offline
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... I think I'm the only person I know that will smoke pot but not cigarettes.
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Old 05-25-2006, 03:30 PM   #15
StcChief StcChief is offline
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Quote:
Originally Posted by Katipan
... I think I'm the only person I know that will smoke pot but not cigarettes.
I use to be that person long ago in college early twenties. No cigs.
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