Yale University
Yale New Haven Teachers Institute: Nicotine Addiction
From the Yale-New Haven Teacher's Institute, comprehensive history of tobacco, the tobacco industry, and tobacco-related illnesses.
Mayo Clinic
Mayo Clinic: Secondhand Smoke
Use this site to learn why a "Burning cigarette is a health risk to everyone in the same room." This web-article describes the various hazards associated with secondhand smoke and includes information on its effect on children. Also,...
PBS
Pbs Online News Hour: Second Hand Smoke
Here, you can read an interview with Dr. Ichiro Kawachi, of the Harvard School of Public Health, who published a study concerning the effects of second-hand smoke on non-smokers. Included is a RealAudio version of this interview.
US Environmental Protection Agency
Epa: Iaq: Secondhand Smoke and Smoke Free Homes
Find out how secondhand smoke contributes to indoor air pollution, and learn how to prevent this health risk.