|MadSci Network: Medicine|
Alex, That's a new one. I would question your friend further to see where he's getting his information. The "nicotine poisoning" hypothesis is unlikely--given that chewing tobacoo is similar to cigarettes in nicotine content--and you stick that in your mouth to be efficiently taken up by the bloodstream. Other toxic substances found in cigarettes take prolonged doses in order to exert their effect. Michael Crawford
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