| http://www.w3.org/ns/prov#value | - Tobacco smoking, for example, causes 90% of lung cancer.[28] It also causes cancer in the larynx, head, neck, stomach, bladder, kidney, esophagus and pancreas.[29] Tobacco smoke contains over fifty known carcinogens, including nitrosamines and polycyclic aromatic hydrocarbons.[30] Tobacco is responsible for about one in three of all cancer deaths in the developed world,[31] and about one in five w
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