Vaping Indoors and How it Contributes to Sick Home Syndrome Bactronix Thirdhand smoke' may last longer than you think, damage your health Vapes are harmful and can be highly addictive. Some disposable vapes have nearly tripled in nicotine strength in the span of only 5 years. Does Vape Smoke Disappear When someone vapes around others they expose them to 'second hand aerosol'.