Abstract

Long-term changes in both per capita consumption rates of specific food categories and the concentration of cadmium in the foodstuffs were investigated for their effects on total dietary intake of cadmium. Results show that, under the assumption of historically constant levels of cadmium in foodstuffs, changes in dietary consumption patterns in the United States resulted in a decline in total cadmium intake of about 20% between 1945 and 1975. Even if historically increasing levels of cadmium in foodstuffs are assumed, the decline in consumption rates for food items with the highest concentrations resulted in an approximate steady state of cadmium intake from 1945 to 1975.

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