ACSH: Tobacco http://www.acsh.org/tobacco/index.html
The American Council on Science and Health has been a leader in restoring scienctific fact and context to health issues, both in exposing overstated and understated risks. This page covers tobacco, including what the warning label doesn't tell you.
Face the Faces http://www.infact.org/about.html
The human toll of tobacco, from INFACT. Started in response to a tobacco executive's statement that the people who die each year from tobacco are just a "computer-generated number." This site shows some of the people who are dead or dying of diseases caused by tobacco. Pictures are accompanied by text written by friends and family.