By Nicole Ostrow Feb. 8 (Bloomberg) — Tobacco smoke contamination lingering on furniture, clothes and other surfaces, dubbed thirdhand smoke, may react with indoor air chemicals to form potential cancer-causing substances, a study found. After exposing a piece of paper to smoke, researchers found the sheet had levels of newly formed carcinogens that were 10 times higher after three hours in the presence of an indoor air chemical called nitrous acid commonly emitted by household appliances or cigarette smoke
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Thirdhand Smoke Forms Cancer-Causing Indoor Residue That Lasts, Study Says
