Secondhand Smoke Exposure Vaping isn't just harmful to humans it's dangerous for our pets too! The aerosols from e cigarettes contain toxic chemicals and nicotine that can seriously harm pets if inhaled or ingested. Did you know your pet may be silently suffering from smoke or vape exposure? Find out how secondhand marijuana, vaping, or smoking can harm their lungs, behavior, and overall healthand what Secondhand smoke and e cigarette aerosol exposure in dogs and cats: A scoping review with implications for smoking cessation among pet owners Secondhand Smoke and Pets Smoke Free At Home NM