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Long-Term Study of Cigarette and Waterpipe Tobacco Smoking Shows Knowledge Gap in Perceived Health Risks

People who smoke both cigarettes and waterpipes – dual users – lack sufficient knowledge about the risks of tobacco smoking and are at considerable risk for dependence and tobacco-related diseases, such as cancer, heart disease and stroke later in life, according to findings of a new study by Virginia Commonwealth University.
The study, the first of its kind to assess trends in cigarette and waterpipe tobacco smoke based on long-term data, reveals few users perceive dangers of waterpipe tobacco. A common misconception about waterpipe smoking is that it is not as harmful as cigarette smoking.

In the past several years, a marked increase in waterpipe tobacco smoking, also known as hookah, has occurred among college students, especially those who did not smoke cigarettes before. While waterpipe smoking also can attract non-cigarette smokers, recent evidence has shown that a significant proportion of current cigarette smokers are using waterpipes, making them dual users of these tobacco products.

In a study, published online this week in the Journal of American College Health, researchers found that dual users - people who smoke both cigarettes and waterpipes - may have an increased exposure to nicotine, increased risk for tobacco dependence and are less likely to quit tobacco use.

“We often assume that everyone, including college students, is knowledgeable about the health risks associated with tobacco smoking,” said principal investigator Aashir Nasim, Ph.D., National Institute on Minority Health and Health Disparities scholar and associate professor of psychology and African American studies in the VCU College of Humanities and Sciences.

“This simply isn’t true, especially in relation to waterpipe tobacco smoking. Surprisingly, many hold the belief that waterpipe tobacco smoking is less harmful than cigarette smoking because the water filters out the ‘bad stuff,’” he said.

According to Nasim, the team observed that although cigarette smoking among college students has declined since 2006, waterpipe tobacco smoking has increased substantially -- by about 20 percent -- among non-cigarette smokers, and waterpipe tobacco smoking prevalence has remained relatively unchanged among current cigarette smokers. About 10 percent of cigarette smokers also use waterpipe, he said.

Secondly, the team found that compared to exclusive cigarette smokers or exclusive waterpipe users, dual cigarette and waterpipe users report being more susceptible to peer influences and perceive the probability of addiction associated with waterpipe tobacco smoking to be relatively low.

The team is now examining other types of dual use – for example, dual cigarette and cigar use – on college campuses. This work is being done in collaboration with Danielle Dick, Ph.D., associate professor of psychiatry, psychology and human and molecular genetics at VCU, and her Spit for Science research team.

Nasim collaborated with Caroline O. Cobb and Thomas Eissenberg, Ph.D., professor in the VCU Department of Psychology and the VCU Institute for Drug and Alcohol Studies; and Yousef Khader, Sc.D., with the Jordan University of Science and Technology in Irbid, Jordan.

The study was supported in part by United States Public Health Service grants R01CA120142, R01DA025659, R01DA024876, and F31DA028102.

The article can be found at
About VCU and the VCU Medical Center
Virginia Commonwealth University is a major, urban public research university with national and international rankings in sponsored research. Located in downtown Richmond, VCU enrolls more than 31,000 students in 222 degree and certificate programs in the arts, sciences and humanities. Sixty-six of the programs are unique in Virginia, many of them crossing the disciplines of VCU’s 13 schools and one college. MCV Hospitals and the health sciences schools of Virginia Commonwealth University compose the VCU Medical Center, one of the nation’s leading academic medical centers. For more, see

Sathya Achia Abraham | EurekAlert!
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