Vape and E Cigarette devices are often in disguise and are becoming more sophisticated and use is on the rise among teens. Here are some helpful information and quit support for teens and Does Vaping Weed Smell? The Truth About Cannabis Vape Pens Indoors 5 Best THC Vapes to Help You Relax & Unwind Even after a cigarette is extinguished, nicotine and other chemicals react with indoor pollutants to form a hazardous film known as thirdhand smoke. This residue re emits harmful gases back into the environment.