Electronic cigarette Wikipedia Teen e cigarette use, product flavors come under regulatory scrutiny E Cigarettes (Vapes) Smoking and Tobacco Use CDC Massachusetts to Ban Menthol Cigarettes as Well as Flavored Vapes The New York Times E cigarettes or Vaping: E cigarettes, also known as vapes, are battery operated devices that heat a liquid and produce an aerosol. An aerosol is a mix of small particles released in the air. Some 1 in 20 American Adults Are Using E Cigarettes, Study Finds