Cancer incidence among workers with blood lead measurements in two countries

Objective Study carcinogenicity of inorganic lead, classified as ‘probably carcinogenic’ to humans by the International Agency for Research on Cancer (brain, lung, kidney and stomach). Methods We conducted internal and external analyses for cancer incidence in two cohorts of 29 874 lead-exposed workers with past blood lead data (Finland, n=20 752, Great Britain=9122), with 6790 incident cancers. Exposure was maximum measured blood lead. Results...