first cigarette My Cigarettes The First Cigarette – CALCUTTA

We extracted 371 observations from 25 prospective cohort studies and 53 casecontrol studies across 25 locations (Supplementary Table 3) 5,6,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107

According to the World Health Organization (WHO), vaping can expose users to harmful substances such as nicotine, ultrafine particles, and toxic flavouring chemicals

doi:10.1016/j.ypmed.2015.03.006 2

Any operator who was running a vape vending machine in a location accessible to minors prior to 2016 was, after the rule's effective date, in violation of federal law