If someone smokes outside, do they bring thirdhand smoke indoors with them? Thirdhand Smoke Resource Center Juul study shows secondhand vaping emissions are less toxic than cigarette smoke How a 14 year old boy became addicted to Spice through vapes The Impact of E Cigarettes and Asthma: What You Need to Know The Look of Vapes Has Changed. Here's Why the Shift Has Experts Worried. The New York Times