Marijuana doesn't appear to harm lung function, study finds

ShooterMcGavin

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May 25, 2005
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SUMMARY

Smoking marijuana as often as one joint daily for seven years, or one joint weekly for 20 years was not linked with worse lung function


http://www.foxnews.com/health/2012/...rm-lung-function-study-finds/?intcmp=trending

Smoking a joint once a week or a bit more apparently doesn't harm the lungs, suggests a 20-year study that bolsters evidence that marijuana doesn't do the kind of damage tobacco does.

The results, from one of the largest and longest studies on the health effects of marijuana, are hazier for heavy users - those who smoke two or more joints daily for several years. The data suggest that using marijuana that often might cause a decline in lung function, but there weren't enough heavy users among the 5,000 young adults in the study to draw firm conclusions.

Still, the authors recommended "caution and moderation when marijuana use is considered."

Marijuana is an illegal drug under federal law although some states allow its use for medical purposes.

The study by researchers at the University of California, San Francisco, and the University of Alabama at Birmingham was released Tuesday by the Journal of the American Medical Association.

The findings echo results in some smaller studies that showed while marijuana contains some of the same toxic chemicals as tobacco, it does not carry the same risks for lung disease.

It's not clear why that is so, but it's possible that the main active ingredient in marijuana, a chemical known as THC, makes the difference. THC causes the "high" that users feel. It also helps fight inflammation and may counteract the effects of more irritating chemicals in the drug, said Dr. Donald Tashkin, a marijuana researcher and an emeritus professor of medicine at the University of California, Los Angeles. Tashkin was not involved in the new study.

Study co-author Dr. Stefan Kertesz said there are other aspects of marijuana that may help explain the results.

Unlike cigarette smokers, marijuana users tend to breathe in deeply when they inhale a joint, which some researchers think might strengthen lung tissue. But the common lung function tests used in the study require the same kind of deep breathing that marijuana smokers are used to, so their good test results might partly reflect lots of practice, said Kertesz, a drug abuse researcher and preventive medicine specialist at the Alabama university.

The study authors analyzed data from participants in a 20-year federally funded health study in young adults that began in 1985. Their analysis was funded by the National Institute on Drug Abuse.

The study randomly enrolled 5,115 men and women aged 18 through 30 in four cities: Birmingham, Chicago, Oakland, Calif., and Minneapolis. Roughly equal numbers of blacks and whites took part, but no other minorities. Participants were periodically asked about recent marijuana or cigarette use and had several lung function tests during the study.

Overall, about 37 percent reported at least occasional marijuana use, and most users also reported having smoked cigarettes; 17 percent of participants said they'd smoked cigarettes but not marijuana. Those results are similar to national estimates.

On average, cigarette users smoked about 9 cigarettes daily, while average marijuana use was only a joint or two a few times a month - typical for U.S. marijuana users, Kertesz said.

The authors calculated the effects of tobacco and marijuana separately, both in people who used only one or the other, and in people who used both. They also considered other factors that could influence lung function, including air pollution in cities studied.

The analyses showed pot didn't appear to harm lung function, but cigarettes did. Cigarette smokers' test scores worsened steadily during the study. Smoking marijuana as often as one joint daily for seven years, or one joint weekly for 20 years was not linked with worse scores. Very few study participants smoked more often than that.

Like cigarette smokers, marijuana users can develop throat irritation and coughs, but the study didn't focus on those. It also didn't examine lung cancer, but other studies haven't found any definitive link between marijuana use and cancer.
 

OilyJillFart

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On average, cigarette users smoked about 9 cigarettes daily,
I don't know any smokers who use that few per day. I'd guess double would be closer to the real average.
 

ShooterMcGavin

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May 25, 2005
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I don't know any smokers who use that few per day. I'd guess double would be closer to the real average.
I smoke probably three to four a day. On weekends, though, when I'm out drinking, I'll smoke two packs in 8 hours.
 

Danesy

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I smoke probably three to four a day. On weekends, though, when I'm out drinking, I'll smoke two packs in 8 hours.
That's when I smoke the most, when I'm drinking. I practically chain smoke. Then the next day I don't smoke at all, I can't.
 

ShooterMcGavin

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How's that feel in the morning?
Danesy answered your question for me:

That's when I smoke the most, when I'm drinking. I practically chain smoke. Then the next day I don't smoke at all, I can't.
At my friend's bachelor party, we had Lucky Strikes. He likes that brand so we got him some, they are hard to find these days but luckily we found one gas station that sells nonfilters.

My god, my lungs were fucking killing me the next day.
 

whiskeyguy

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Same as everyone else, I smoke around five on a normal day, and chain smoke while drinking. I also smoke a lot if I drive for long distances.
 

ShooterMcGavin

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Same as everyone else, I smoke around five on a normal day, and chain smoke while drinking. I also smoke a lot if I drive for long distances.
Driving is a bitch, too. I go to Dallas a lot and I probably smoke half a pack on my way down. That's 3 hours.
 

Danesy

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#9
Since I don't have a car, the other time I smoke a lot is when I'm on the phone. I don't know why but I chain smoke through the entire conversation. Weird.
 

THRILLHO

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#10
Good job keeping it illegal, federal government! :clap: fuckin' shitdicks.
 

Your_Moms_Box

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#11
All the smokers here are making me very very happy with my E-cig I'm smoking at the moment.


i wish weed was legal....
 

Neckbeard

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1 joint a week? Are you serious?
 

KRSOne

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Its a gateway drug so we must keep it illegal, for the children.
 

ShooterMcGavin

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May 25, 2005
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1 joint a week? Are you serious?
If you read it you'll find that even one joint a day (for seven year study) does not affect your lungs poorly either.

Its a gateway drug so we must keep it illegal, for the children.
I hate the gateway drug argument. I smoke weed and I would NEVER EVER FUCKING TOUCH crack, cocaine, meth, heroin etc. Anything made in a lab is off-limits for me, but I will try Shrooms or DMT (DMT is arguably made in a lab, but its a combination of un-altered substances [PLEASE CORRECT ME IF I'M WRONG])
 

Neon

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It is only a gateway drug because it is illegal. Legalizing it would solve that problem. Here's my thinking: Nowadays, to get weed, you are already putting yourself in the "drug world" - i.e you are breaking the law, you are hanging out with drug users and drug dealers, which means that you are both more exposed to harder drugs, and more inclined to start using other drugs because society already sees you as breaking the law and being a drug user just for smoking pot. If pot was sold in bodegas, then pot smokers would not be considered criminal drug users, and will not be exposed to drug dealers, making it less of a gateway to other substances. Just look at alcohol. How many people go from alcohol to crack? That's quite a leap. But going from "Illegal drug A" to "Illegal drug B" is a much smaller step, at least mentally (which is all that matters in this case). You know when alcohol was a gateway drug? During prohibition.
 

ShooterMcGavin

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It is only a gateway drug because it is illegal. Legalizing it would solve that problem. Here's my thinking: Nowadays, to get weed, you are already putting yourself in the "drug world" - i.e you are breaking the law, you are hanging out with drug users and drug dealers, which means that you are both more exposed to harder drugs, and more inclined to start using other drugs because society already sees you as breaking the law and being a drug user just for smoking pot. If pot was sold in bodegas, then pot smokers would not be considered criminal drug users, and will not be exposed to drug dealers, making it less of a gateway to other substances. Just look at alcohol. How many people go from alcohol to crack? That's quite a leap. But going from "Illegal drug A" to "Illegal drug B" is a much smaller step, at least mentally (which is all that matters in this case). You know when alcohol was a gateway drug? During prohibition.
This is an excellent point, however, my whole deal with the "gateway" argument is due to personal accountability. If you have an addictive personality, that is, hereditary, then you are more likely to use harder drugs after smoking marijuana.

I agree that, although alcoholism is not a disease, it is a hereditary condition, and if you have an addictive disposition, you will absolutely look for harder and harder shit.

What I will say is that I hate people who say, "Weed makes you paranoid." Any drug that is illegal will make you paranoid, simply because it is illegal. If weed was not illegal, you would get a better high, because that paranoia will not be there. All of my paranoia on weed has to do with the fact that people may call the cops if they smell it. If it were legal, that negative side effect would absolutely go away.
 

Your_Moms_Box

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#18
Pot is a gateway drug to harder drugs in the same way that Chips are a gateway drug to cigarettes since they are sold in the same place.

The only truth to the gateway argument is that people with destructive/addictive personalities will probably start their habit with pot before moving on to harder drugs; however they will probably use booze before weed, so it must be a gateway to pot.

I have smoked pot but you wouldn't catch me dead with anything harder.


Also, I've met way more alcoholics I can't stand than I have potheads.



Ediit : I don't think that addiction is a disease, I think it is a mental condition which I don't put in the same category as cancer, aids, or the flu. To me a disease is something caused by an external factor (germ, virus, mutated cell, etc etc).
 

Neon

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What I will say is that I hate people who say, "Weed makes you paranoid." Any drug that is illegal will make you paranoid, simply because it is illegal. If weed was not illegal, you would get a better high, because that paranoia will not be there. All of my paranoia on weed has to do with the fact that people may call the cops if they smell it. If it were legal, that negative side effect would absolutely go away.
Yup. My best highs were in places like Amsterdam, and it wasn't just because of the quality. There is an almost subconscious thing that's always at the back of your mind.
 

transit grinder

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Marijuana good. War on drugs bad.

These are my thoughts on everything.

I know it might take you all months to crack the code, but I have faith.
 

whiskeyguy

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Pot is not the gateway... the gateway is a willingness to use an illegal substance to change the way you feel in the first place. Pot is just naturally the first illegal drug people try. Once you verify that you can feel pretty cool from one drug, you try others.
 

ShooterMcGavin

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Pot is not the gateway... the gateway is a willingness to use an illegal substance to change the way you feel in the first place. Pot is just naturally the first illegal drug people try. Once you verify that you can feel pretty cool from one drug, you try others.
There's also that whole thing I mentioned earlier with the cops. The reason people are scared of pot is because they are uninformed due to the illegality of it. "Oh no, that must be illegal for a reason," is the original thought. Then, after trying it, people are probably willing to ask, "Hey, what else aren't the authorities telling me?"
 

ShooterMcGavin

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You fuck, drop a nigga a line!
:haha7: I try to hang out with our pal Papagolash when I'm there. Was able to hang out with Roche at one point as well. Would be happy to meet ya sir, although now that my Dallas friends have moved to NY, I probably won't be down there as much other than to go to OU-TX