Forty-five percent of teenagers who use e-cigarettes would like to quit vaping.br One in four teens who vape said they have tried to quit unsuccessfully at least once in the past year.br New research shows that just over 25 of American youth have used e-cigarettes at least periodically.br The data also shows that 12 of the teens eport that they vape daily.br Among teen users surveyed, 57 reported experiencing symptoms of depression.br According to UPI. 61 indicated they also had symptoms of anxiety.