Secondhand Vape Exposure: Effects, Who's at Risk, and More Just How Harmful Is Vaping? More Evidence Is Emerging. The New York Times How long does vape smoke stay in the air? Eliquidstop Vaping might feel safer than smoking but whats really happening inside our lungs?, The EVALUATE study led by the @unibirmingham will be the first to track ex smokers over a whole year to uncover