Overall, 37% of those initially enrolled were confirmed to be using an e-cigarette on its own at follow-up
Mechanisms We consider several potential mechanisms for the decline in tobacco purchases during COVID-19
Some experts believe tobacco to be a gateway drug that can lead smokers to other drugs
Try eating more produce, such as broccoli and spinach, along with whole grains and nuts
22 May 2026
In 2010, the last year without cell phones, where bias due to their exclusion is expected to be greatest, we corrected 57.3% and 75.4% of counties for males and females, respectively, upward by at least one percentage point and 4.7% and 16.3% of counties for males and females, respectively, upward by at least two percentage points for total cigarette smoking prevalence