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A new job market paper by Anne Burton, an economics PhD candidate at Cornell University, looked into how smoking bans at bars and restaurants affected alcohol consumption, violent crime, and fatal drunk-driving crashes

7 A systematic review and meta-analysis of published randomized trials of technology-based interventionsincluding computer programs, internet, telephone, and text messagingfor smoking cessation among this population found that they increased abstinence by 1.5 times that of comparison subjects

And cigarette smoke can alter the bacterial ecology inside the mouth (the microbiome), making existing periodontal problems worse

10.1093/ntr/ntu184 19