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Politics : Just the Facts, Ma'am: A Compendium of Liberal Fiction
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To: Cogito who wrote (52434)10/24/2006 4:57:51 PM
From: TimF   of 90947
 
From just the standpoint of common sense, one thing I don't see is how people can agree that smoke drawn into the lungs directly through a filter is harmful, but somehow the smoke that one breathes in through the air in a room full of smokers supposedly isn't. Sure, the smoke inhaled by the smoker is more concentrated. But there is plenty of science to support the fact that some substances can be harmful when inhaled in very low concentrations.

I also think its harmful, but how much exposure is needed to cause measurable harm and how great is the harm. But is also pretty sure that the harm is exaggerated in some circles.

On the other hand, given the difficulty of absolutely proving the point one way or another, how do you know it hasn't in fact been understated?

Because if it was understated to any great extent that would mean you practically drop dead from being in a room with smoker.
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