Study finds flavor bans cut youth vaping but slow decline in cigarette smoking

July 30, 2025

edited by Sadie Harley, reviewed by Andrew Zinin

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A new study by investigators from Mass General Brigham examined the effects of policies banning flavored e-cigarettes on adults and young people. Investigators found that e-cigarette use significantly declined among young adults and adults in states that had enacted flavor bans relative to states that did not.

However, declines in cigarette smoking also slowed in those states with flavor bans relative to other states—a potential unintended consequence of the bans. Results are published in JAMA Network Open.

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