Serum beta-carotene and alpha-tocopherol in smokers and non-smokers - associations with food sources and supplemental intakes. A report from the Malmo Diet and Cancer cohort
High blood concentrations of beta-carotene (BC) and alpha-tocopherol (AT) are markers of lower risk of cancer and cardiovascular disease. However, it is not clear how well they serve as markers of, food consumption in a general population setting, in a country with a traditionally low vegetable consumption, or if they work equally well in smokers and non-smokers. We performed a cross-sectional stu