Quote:
Originally Posted by Nosu3 
I don't think the third hand effect would be much different than cigarette smoke, aside from different chemical interactions. I wouldn't doubt it spreads from room to room, they dissipate into the air, not vanish.
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The research doesn't support your assertion. This study, for example, shows that (unlike tobacco) marijuana use does not correlate with an increased risk of lung cancer. I can see where it's tempting, but it's simply not appropriate to assume that tobacco and marijuana smoke affect people in the same manner in terms of health. They are two fundamentally different substances, and they really should be treated as such.
As for spreading room-to-room, I'm not sure how to respond to this. You've taken the conclusions of a study on so-called "third-hand smoke" and expanded them to fit your position. It's not really a legitimate use of a study to say "well, they discovered A, and it makes sense to me that B (which is not discussed in the study) would occur after A, so I'm just going to assume that B occurs, even if there's no evidence of that." The study does not say the chemicals spread from room-to-room, and making that claim based upon the study in simply inappropriate.
