Data in 1925 linked smoking to cancer, refuting the myth that the discovery was long thereafter. Tobacco companies knew, but by ... ASH site on smoking and increased stomach cancer *ACS site on smoking and cervical cancer ("Women who smoke are about twice as ... Smoking exposes the body to many cancer-causing chemicals that affect more than the lungs").. According to the Rhode Island ... "The idea that smoking tobacco was deleterious to health and that it could . . . lead to cancer and particularly to cancer of ...