Health impacts of e-cigarettes and nicotine vapes (ENDS):
current research and best practices
This brief summarizes research on the health effects of e-cigarettes and nicotine vapes (referred here as
electronic nicotine delivery systems i.e., “ENDS”) drawing from recent papers by CAsToR investigators.
These studies include recommendations for research best practices on the health effects of ENDS use. 
A primer on computational models in tobacco control
This brief summarizes presentations by CAsToR researchers at the pre-conference workshop “An
Introduction to Computational Modeling in Tobacco Policy and Regulatory Science Research held at the
Society for Research on Nicotine and Tobacco’s annual conference in Baltimore, MD in March 2026. 
How a nicotine product standard benefits public health
This brief summarizes key points from CAsToR’s public comment to Docket No. FDA-2024-N-5471 in
support of the proposed rule “Tobacco Product Standard for Nicotine Yield of Cigarettes and Certain Other
Combusted Tobacco Products.” 
Oral nicotine pouches (ONPs): What we know so far.
This brief summarizes findings from “The Potential Impact of Oral Nicotine Pouches on Public Health: A
Scoping Review” by Travis et al. (2024) and the Cochrane review “Oral nicotine pouches for cessation or
reduction of use of other tobacco or nicotine products” by Hartmann-Boyce et al. (2025). 
FAQs: Addressing common misconceptions about systematic evidence reviews of tobacco control interventions.
This brief addresses common questions and corrects misconceptions about the research methods used in
systematic reviews, with a focus on standards used in Cochrane reviews on tobacco and nicotine. 
Flavors in e-cigarettes: a summary of the evidence
This brief summarizes findings from “The impacts of e-cigarette flavours: An overview of systematic
reviews” by Livingstone-Banks et al (2025) and “An update of a systematic review and meta-analyses
exploring flavours in intervention studies of e-cigarettes for smoking cessation” by Lindson et al (2024).