Smoking and diving

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This picyture was posted by some stupid person who is responsible for dive center marketing. I would fire such person immediately because he/she does not understand that this is a very bad publicity.... if i see that diving center instructors and all they students smoke i might get impression that this dive center does not look into diving and safety very seriously. At least i would avoid such dive center.

You may be looking at it wrong. They may have posted it specifically so people with knee-jerk reaction to others' smoking would go dive with somebody else.
 
Now that cannabis is legal (in 4 days to be exact), I suspect there will be a lot more scientific research into its effects on a whole variety of things.

It'll take 2-3 decades to collect reliable data. (By then I personally fully expect to not care about the long-term effects.) They've been studying tobacco smokers for half a century now and they're still not sure what it is exactly in tobacco smoke that promotes cancer. (Or for that matter what promotes cancer full stop.) I'm sure munchies can lead to obesity that leads to bad cardiovascular outcomes...
 
Do a google search and you will get a wide variety of answers to this question. It leads me to believe there is nothing definitive in the research. Of course, I have to assume that no smoke is in the best interest of your lungs.
I have been informed, by a good authority, that no one "smokes" marijuana any more; they eat it (the edibles mentioned earlier) or use a gizmo that does not cause ordinary combustion.
 
I have been informed, by a good authority, that no one "smokes" marijuana any more; they eat it (the edibles mentioned earlier) or use a gizmo that does not cause ordinary combustion.

I read it somewhere that non-combusting tobacco use appears to be just as bad as far as cardio-vascular effects and cancers are concerned. You just don't get the soot in your lungs and CO in you blood stream.

Which, for the immediate diving-related purposes, should be good enough.
 
I read it somewhere that non-combusting tobacco use appears to be just as bad as far as cardio-vascular effects and cancers are concerned. You just don't get the soot in your lungs and CO in you blood stream.

Which, for the immediate diving-related purposes, should be good enough.

I am sure it is still a health hazard no matter the delivery system.
 
Oh, absolutely. Also, I am of the belief that taste of food is comprised of 3 main ingredients: trans-fat, cholesterol, and monosodium glutamate. I think it is safe to assume that anything and everything one likes is a health hazard.

PS. as they say in Russia, he who doesn't drink and smoke will make a very healthy corpse.
 
OTOH, from a cardiovascular and respiratory point of view, 1 joint = 5 cigarettes.


From a scientific talk (that took place during a medical conference) on the physical impact of marijuana given by Dr Paul Poirier cardiologist on Wednesday 10 Octobre 2018 at 14:00 in Montreal.

https://eventmobi.com/camd2018/agen...e9bf64dc/742e8857-fbc3-48ac-bc92-48cacaedfbd8

Congrès annuel de médecine 2018 | Médecins francophones du Canada

Any other questions ?


OK... I couldn't access the link top link provided, so I did a Google search. I found that one joint (of unknown size) was the equivalent of anywhere from 2.5 to 20 cigarettes per day. But I did find a 2007 article that listed the five cigarettes equivalence.

From Lung Cancer Risk of One Marijuana Joint a Day Equals Daily Pack of Cigarettes

"Emphysema was detected in only one of the cannabis smokers (1.3%), in 15 (16.3%) of the cigarette smokers, in 17 (18.9%) of the combination smokers, and in none of the non-smoking groups."

I did not see where they compared cancer rates among their test group, but I certainly don't see where they draw the conclusion based upon the emphysema results.

I cannot find where these folks receive their funding, but I suspect there might be some bias. No proof. Just a suspicion.
 
I prefer my activities in the great outdoors to be in the fresh air. I don’t mind if someone wants to inhale smoke, it’s the exhaling I mind.
 
I suspect many of us are ex-smokers, including me, but as you can tell, I’ve had a 180 degree change of heart about smoking.

Smoking anything around other people is a selfish behaviour. That’s because that other person will very likely breathe it in. The smoke is harming that other person. Simple as that.

I agree with you on both points (selfish and harmful). I have never agreed that second hand smoke (diluted) is more dangerous than what is pulled in off of the hot tube and dragged directly into the lungs. I will give one exception, though. I think children are much more susceptible to the harms of second hand smoke than adults.

And, whoever thought it was a good idea to allow smoking at a restaurant? I hated that back when I was a smoker!
 
I agree with you on both points (selfish and harmful). And, whoever thought it was a good idea to allow smoking at a restaurant? I hated that back when I was a smoker!

The same guy who thought it was a good idea to smoke on a plane.
 
https://www.shearwater.com/products/teric/

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