“… 4 This calls for a comprehensive research and policy approach, as Saxena and Godfre highlighted. 5 Future waves of the Population Assessment of Tobacco and Health (PATH) data will provide crucial information for regulatory bodies on the variability in ENDS and cigarette use, and whether the former can be a game changer for later. One concern is the potential for dual use, where individuals continue to use both ENDS and cigarettes.…”