Vaping's effect on the eyes VM As E Cigarette Usage Increases, So Does the Risk of Vision Loss How many Americans have tried e cigarettes? PBS News 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 E Cigarettes, Vapes, and other Electronic Nicotine Delivery Systems (ENDS) FDA Retailers fear e cigarette clampdown could leave businesses up in smoke ABC News