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News & Announcements

In the News

December 2020:

September 2020:

  • John Pierce, PhD and UC San Diego researchers publish two analyses of a large nationally representative longitudinal study on e-cigarette use and cessation rates. The first study, published in PLOS One, demonstrated no evidence of a difference in cessation rates between e-cigarette users and closely matched cigarette smokers who did not use e-cigarettes. The second study, published in American Journal of Epidemiology, demonstrated that participants who used e-cigarettes to quit smoking were less likely to be nicotine-free at follow-up, as many were still using e-cigarettes, which also contain nicotine. Read more. 

August 2020:


January 2021:

  • John Pierce, PhD and UC San Diego researchers publish paper in Pediatrics that demonstrates use of e-cigarettes and multiple other tobacco products before age 18 years is strongly associated with later daily cigarette smoking. Read more.