A poison is any substance that can cause an unintended symptom.
Poisons come in four different forms .
Sprays - insecticides, spray paint and some cleaning products. Aerosol sprays may be flammable, explode and cause damage to the heart and lungs if inhaled. Invisible Poisons - Gases or vapors. Carbon monoxide from hot water heaters and furnaces, exhaust fumes from automobiles, fumes from gas or oil burning stoves, and industrial pollution in the air. If A Poisoning Occurs 1.