Nicotine
By Terry Martin, About.com
Updated February 07, 2009
About.com Health's Disease and Condition content is reviewed by our Medical Review Board
Ingredients in Cigarettes
The Hazards of Smoking
Explore Smoking Cessation
Must Reads
About.com Special Features
Learn how you can reduce your your numbers with these nutrition and exercise tips. More >
Keep yourself, and your family, happy and healthy this fall with these tips. More >
Also from About.com:
©2009 About.com, a part of The New York Times Company.
All rights reserved.