Combined Effect of Vaping and Smoking May Worsen Vision New survey shows youth vaping remains a serious challenge in Minnesota Boreal Community Media A staggering collapse in the tax collected from cigarettes and vapes has been revealed. A massive research analysis from Johns Hopkins (2025) followed nearly 250,000 adults for four years. The finding was blunt: People who vape even those who NEVER smoked cigarettes had a Dry eye induced by exposure to cigarette smoke pollution: An in vivo and in vitro study ScienceDirect