Carcinogens: Chemicals and forms of radiation that can cause or promote
cancer
Cancer is a disease in which cells divide and multiply uncontrollably forming
malignant tumors and damage the body
Common sources of carcinogens: tobacco smoke, charring of food,
polychlorinated biphenyls (PCBs) in fire retardants, incomplete combustion of
waste that producing dioxin, products with asbestos
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