Can You Smoke Catnip to Get High? Effects and Risks Feline Facts Friday! Did you know second hand smoke causes a health risk to your cat? Cats living in homes with smokers are at a much higher risk of serious health problems Is Marijuana Toxic to Cats? Vets are urging vape smoking cat owners to stop using devices in the home after a reported rise in respiratory illness. The experts say vape smoke is particularly toxic for animals and Can Cats Get High From Inhaling Smoke? Cats.com