and potential spillovers into other tobacco use by youth, young adults, and adults. We utilize both standard difference …-in-differences (DID) and synthetic DID methods, in conjunction with four national data sets. We find evidence that young adults decrease …-cigarette and smoking participation among older adults (ages 25+). Our findings suggest that statewide comprehensive flavor bans may …

points--among adults 65 and above. These results suggest medical cannabis access has positive health impacts for older …

Surveillance System show similar effects on ENDS use for young adults ages 18-20. However, we also detect evidence of an unintended … cigarette smoking. Finally, there is no evidence that ENDS flavor restrictions affect ENDS use among adults aged 21 and older or …