Some scientists and health professionals worry a health hazard could lurk in all the smoking-caused pollutants that stick to walls, curtains, etc. in homes, etc. primariliy frequented by smokers.
According to the story, among the substances in third-hand smoke are hydrogen cyanide, butane, toluene - used in paint thinners, arsenic, lead, carbon monoxide, and even the radioactive polonium-210.
Read the full story and make your own judgments.
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