Research on Noncigarette Tobacco Products and Public Health

Morbidity and mortality caused by cigarette smoking has been documented and established over multiple decades, 1 yet much less is documented about the morbidity and mortality impact of other types of tobacco products.Tasdighi et al 2 address this knowledge gap with analysis of the association of cigar, pipe, and smokeless tobacco use with cardiovascular disease (CVD) outcomes and related mortality among 103 642 persons studied across multiple decades up through 2015.The study by Tasdighi et al 2 relies on data from the Framingham cohort, studied in detail over multiple generations since 1948, and 14 additional cohorts.Because each of these cohorts used sometimes unique approaches to measuring tobacco use patterns and cardiovascular outcomes, the study relied on extensive methodological work by the Cross Cohort Collaboration Tobacco Working Group.3 This working group harmonized tobacco use measures and health outcomes to allow