More information on quitting smoking is available at these websites recommended by the U.S.News & World Report Library:

Free Seven-Week Online Smoking Cessation Program

The American Lung Association's Freedom From Smoking program uses a series of modules to help smokers quit.

Clinical Trials

The National Institutes of Health provides a database of federally and privately supported clinical trials, including dozens on quitting smoking.

Find a Smoking-Cessation Professional in Your State

Find professional support through the North American Quitline Consortium

Smokefree.gov

This website, from the Tobacco Control Research Branch of the National Cancer Institute, offers an online quitting guide, information on cessation studies, and access to "Talk to an Expert."

Within 20 Minutes of Quitting

Quick, health-motivating facts from the National Center for Chronic Disease Prevention and Health Promotion on the benefits of quitting smoking.