Scientists from Unilever, the European purveyor of foods, beverages and personal products, used data from US' first National Health and Nutrition Examination Survey (NHANES I) to examine the relationship between food-based nutrients and skin -aging appearance. NHANES I gathered a huge amount of dietary and lifestyle information on American adults between 1971 and 1974 - including Bodily measurements, supplement intake, diet, physical activity and other habits. For their study, Unilever researchers examined NHANES I data on a total of 4,025 women, ages
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