biostudies-literatureWhaley RCCenter for Tobacco ProductsNIDA NIH HHSNational Cancer InstituteNCI NIH HHS733-738https://www.ebi.ac.uk/biostudies/studies/S-EPMC11782633biostudies-literatureUnknown34(6)<h4>Background</h4>We tested whether snus marketing with modified risk tobacco product (MRTP) claims: (a) promotes accurate knowledge about snus's health effects in young adults and (b) encourages use intentions in only those who use combustible tobacco without attracting other young adult populations.<h4>Methods</h4>A randomised between-subjects experiment was embedded in a 2020 web survey of participants from Los Angeles (aged 19-23 years). Participants viewed mass-marketed snus advertising materials with (n=1212) vs without (n=1225) US Food and Drug Administration-authorised MRTP claims. After advertising exposure, snus use intention and perceptions of snus harms relative to cigarettes or e-cigarettes were measured.<h4>Results</h4>Advertisements with versus without MRTP claims did not aTobacco controlEffects of exposure to snus marketing with versus without modified risk tobacco product claims on snus use intention and perceived harm among young adults.PMC11782633U54CA180905U54 CA180905K01 DA055073Leventhal AMMcConnell RUnger JBTackett APSussman SWhaley RCVogel EAClementel ACBarrington-Trimis JLLiu FHarlow AFfalseEffects of exposure to snus marketing with versus without modified risk tobacco product claims on snus use intention and perceived harm among young adults.<h4>Background</h4>We tested whether snus marketing with modified risk tobacco product (MRTP) claims: (a) promotes accurate knowledge about snus's health effects in young adults and (b) encourages use intentions in only those who use combustible tobacco without attracting other young adult populations.<h4>Methods</h4>A randomised between-subjects experiment was embedded in a 2020 web survey of participants from Los Angeles (aged 19-23 years). Participants viewed mass-marketed snus advertising materials with (n=1212) vs without (n=1225) US Food and Drug Administration-authorised MRTP claims. After advertising exposure, snus use intention and perceptions of snus harms relative to cigarettes or e-cigarettes were measured.<h4>Results</h4>Advertisements with versus without MRTP claims did not a2025-01-01T00:00:00Z2025 Dec2026-06-11T05:02:24.307Z2026-06-11T03:08:23.223ZS-EPMC117826333908490210.1136/tc-2024-058651