January 3, 2008
 
Smoking a hookah, a tobacco water pipe that is popular among college students, delivers as much carbon monoxide to the user as smoking cigarettes, according to a new report. Professor Katharine Hammond, coauthor of the study, is quoted.
 
U.S. News & World Report (1/3/08): http://health.usnews.com/usnews/health/healthday/080103/hookah-smoking-as-tough-on-lungs-as-cigarettes.htm