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by kragen 4937 days ago
It might not be the nicotine, but the polycyclic aromatic hydrocarbons produced by burning, which are broad-spectrum venoms.
1 comments

Nicotine was used as a insecticide: http://en.wikipedia.org/wiki/Nicotine
Oh, I'm well aware that nicotine is an insecticide. But it's present in very small quantities in tobacco smoke, compared to the PCAHs.