Serum iron, copper and zinc concentrations and risk of cancer mortality in US adults

PURPOSE: To examine the prospective association of serum iron, copper, and zinc with cancer mortality. METHODS: The study sample included 3000 men and 3244 women free from cancer at baseline who participated in the Second National Health and Nutrition Examination Survey. Vital status at follow-up was identified by the Social Security Administration's death file and the National Death Index. Iron, transferrin saturation (TS), copper, and zinc …