E Cigarette How E Cigarettes Work, Health Risks & Teen Use Passive smoking image of electronic cigarette Stock Illustration [31984107] PIXTA Sharp rise in use of high strength vapes, research shows Proportion of adults using e cigarettes containing up to 20mg ml of nicotine has increased to 32.5% from 6.6% in 2021 : r science E cigarette or Vaping Use Associated Lung Injury (EVALI) American Lung Association