Giving Up Smoking
Giving up smoking site from the UK NHS.
http://www.givingupsmoking.co.uk/
Smokefree.gov
Created by the Tobacco Control Research Branch of the National Cancer Institute provides information and resources to help you quit and stay off cigarettes.
http://www.smokefree.gov/
Surgeon General - Tobacco Cessation
United States Department of Health and Human Services, tobacco cessation information.
http://www.surgeongeneral.gov/tobacco/