What Does a Vape Smell Like? Blown up in smoke: Young adults who vape at greater risk of COVID symptoms Harvard Health Even after a cigarette or vape is put out, toxic chemicals don't just disappear. They cling to furniture, carpets, walls, clothing, everything it touches. This residue is called thirdhand smoke. And it Vaping vs. Smoking Why I Regret Vaping to Quit Smoking Just How Harmful Is Vaping? More Evidence Is Emerging. The New York Times