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Those at greatest risk of exposure to smoking and second and third-hand smoke are children, teens, and adults who have asthma and live in homes where smoking is allowed.
Children exposed to second-hand smoke:
Most people know the dangers from smoking and second-hand smoke. But what about third-hand smoke? There is more and more research that third-hand smoke may be more cause for concern than previously thought. The invisible toxic mixture of chemicals (e.g. lead, arsenic) that make up third-hand smoke sticks around long after a cigarette is put out.
Third-hand smoke can be found:
Children are at a much higher risk of exposure to third-hand smoke. They spend more time on floors and put their hands to their mouths more often. They have more contact with surfaces where the toxins have settled, such as the floor or furniture. They can breathe in the third-hand smoke residue and if they touch it, they can even swallow it. Poisons from the cigarette smoke enter their bodies.