Zebra Smoke products are intended for use by adults of legal smoking age (18 or older in some states), and not by children, women who are pregnant or breastfeeding, or persons with or at risk of heart disease, high blood pressure, diabetes or taking medicine for depression or asthma. Some of Zebra Smoke products do contain nicotine, a chemical known to cause birth defects or other reproductive harm. Nicotine is addictive and habit forming, and it is very toxic by inhalation, in contact with the skin, or if swallowed. Ingestion of the non-vaporized concentrated ingredients can be poisonous, products may be a choking hazard so Keep all components away from children and pets. If any components are ingested, immediately consult your doctor or vet.