Plasma carotenoids, vitamin C, tocopherols, and retinol and the risk of breast cancer in the European Prospective Investigation into Cancer and Nutrition cohor
Background: Carotenoids and vitamin C are thought to be associated with reduced cancer risk because of their antioxidative capacity. Objective: This study evaluated the associations of plasma carotenoid, retinol, tocopherol, and vitamin C concentrations and risk of breast cancer. Design: In a nested case-control study within the European Prospective Investigation into Cancer and Nutrition cohort,…