How to Detect if Someone is Vaping in Your Home: Key Signs to Watch 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 Does Vaping Weed Smell? The Truth About Cannabis Vape Pens Indoors How Long Does Vape Smoke Stay in the Air After Vaping Indoors? If someone smokes outside, do they bring thirdhand smoke indoors with them? Thirdhand Smoke Resource Center