For all you pot smokers
May 26, 2006 11:11PM
Friday, May 26, 2006 (SF Chronicle)
> Researchers surprised to find no link between marijuana, lung
> cancer/Study's findings apply even to heavy pot smokers
> Marc Kaufman, Washington Post
> The largest study of its kind has unexpectedly concluded that
> smoking
> marijuana, even regularly and heavily, does not lead to lung cancer.
> The new findings "were against our expectations," said Dr. Donald
> Tashkin,
> a UCLA pulmonologist who has studied marijuana for 30 years.
> "We hypothesized that there would be a positive association between
> marijuana use and lung cancer and that the association would be more
> positive with heavier use," he said. "What we found instead was no
> association at all, and even a suggestion of some protective effect."
> Federal health and drug enforcement officials have widely used
> Tashkin's
> previous work on marijuana to make the case that the drug is dangerous.
> Tashkin said that while he still believes marijuana is potentially
> harmful, its cancer-causing effects appear to be of less concern than
> previously thought.
> Earlier work established that marijuana does contain cancer-causing
> chemicals as potentially harmful as those in tobacco, he said. However,
> marijuana also contains the chemical THC, which he said may kill aging
> cells and keep them from becoming cancerous.
> Tashkin's study, funded by the National Institutes of Health's
> National
> Institute on Drug Abuse, involved 1,200 people in Los Angeles who had
> lung, neck or head cancer and an additional 1,040 people without cancer
> matched by age, sex and neighborhood.
> They were all asked about their lifetime use of marijuana, tobacco
> and
> alcohol. The heaviest marijuana smokers had lit up more than 22,000
> times,
> while moderately heavy usage was defined as smoking 11,000 to 22,000
> marijuana cigarettes. Tashkin found that even the very heavy marijuana
> smokers showed no increased incidence of the three cancers studied.
> "This is the largest case-control study ever done, and everyone had
> to
> fill out a very extensive questionnaire about marijuana use," he said.
> "Bias can creep into any research, but we controlled for as many
> confounding factors as we could, and so I believe these results have
> real
> meaning."
> Tashkin's group at the David Geffen School of Medicine at UCLA had
> hypothesized that marijuana would raise the risk of cancer on the
> basis of
> earlier small human studies, lab studies of animals and the fact that
> marijuana users inhale more deeply and generally hold smoke in their
> lungs
> longer than tobacco smokers -- exposing them to the dangerous chemicals
> for a longer time. In addition, Tashkin said, previous studies found
> that
> marijuana tar has 50 percent higher concentrations of chemicals linked
> to
> cancer than tobacco cigarette tar.
> While no association between marijuana smoking and cancer was
> found, the
> study findings, presented to the American Thoracic Society
> International
> Conference this week, did find a 20-fold increase in lung cancer among
> people who smoked two or more packs of cigarettes a day.
> The study was limited to people younger than 60 because those older
> than
> that were generally not exposed to marijuana use in their youth, when
> it
> is most frequently tried.
> ----------------------------------------------------------------------
> Copyright 2006 SF Chronicle
Re: For all you pot smokers
May 27, 2006 03:01PM
Fairly safe to say this will not be the lead story on Fox News anytime soon.
Re: For all you pot smokers
May 27, 2006 03:08PM
Re: For all you pot smokers
May 27, 2006 08:59PM
if you notice on tv and such.. not that many of you watch tv, i know i know i know tv is bad bad bad.. but if you notice on tv lately, there is heaps of references to smoking pot and so i think they are gettin the general public A OK with bud smokin because sooner then later they will decriminalize it to focus on the meth,cocaine,crack,heroin issues.. just like back in the day when they started having all the gay shows on TV.. next thing ya know there is gay marrige in the usa.. same with this pot issue i think.. time will tell

Re: For all you pot smokers
May 28, 2006 11:17PM
Re: For all you pot smokers
May 29, 2006 12:26AM
man on right: "I can't feel my elbow"

man on left: "I'll drive"

DUB IS TOO DREAD FOR WORDS.... binghi2digi
Re: For all you pot smokers
May 29, 2006 04:57AM
There will be a spliff rolling lesson in fieldhouse #3 at 4:20 tomorow....
BYOP (bring your own papers)
or borrow one from your brother

This class is a pre requisite for those who wish to attend Bong 101 next fall
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