 We collected fasting peripheral venous blood samples, plasma and serum, and stored them at -70 C before the analysis. Further, urine samples 24 hours were collected prior to phlebotomy and divided into aliquots. For one of the subjects, only a spot urine sample was available. We carried out the hematological and chemical analyses at laboratory hematological data, Helsinki University Central Hospital folate, vitamin B12, vitamin D, and homocysteine, and the National Institute for Health and Welfare alfa-tocopherol, beta-carotene, selenium, iodine, fatty acid profile, and polyphenols. Nitrate, nitrite were measured by capillary electrophoresis and DNA adducts by ELISA at Finnish Food Safety Authority. 