Does Vaping Cause Lung Cancer? How To Smoke A Vape Like A Pro When someone vapes around others they expose them to 'second hand aerosol'. But what happens to that aerosol then? Does it disappear or is it like cigarette smoke and stays around, sticking to Are vape pens, or e cigarettes, ever the better option? Ohio State Health & Discovery A Single Session of Vaping Can Hurt Your Lungs