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Meeker-O'Connell, Ann. "How Nicotine Works." 02 January 2001. HowStuffWorks.com. <http://health.howstuffworks.com/nicotine.htm> 13 May 2008.
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What is Nicotine?
 Structure of nicotine |
Nicotine normally makes up about 5 percent of a tobacco plant, by weight. Cigarettes contain 8 to 20 milligrams (mg) of nicotine (depending on the brand), but only approximately 1 mg is actually absorbed by your body when you smoke a cigarette.
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Please copy/paste the following text to properly cite this How Stuff Works article:
Meeker-O'Connell, Ann. "How Nicotine Works." 02 January 2001. HowStuffWorks.com. <http://health.howstuffworks.com/nicotine.htm> 13 May 2008.
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