Abstract
Industrial exposure to large amounts of cadmium is known to be toxic to man; however, the low levels of cadmium in water, food, and air to which everyone is continually exposed have no obvious effects. During childhood and adolescence, ingestion and inhalation of cadmium are responsible for the average American accumulating about 30 mg of cadmium in his body, with the highest concentration being in the kidney. It has been suggested on the basis of two observations that elevated renal cadmium might be associated with essential hypertension: (1) Hypertensives have been reported to have higher renal cadmium concentrations than normotensives. (2) Long-term exposure to low levels of cadmium has reproducibly caused mild hypertension in animals. Finally, increased levels of cadmium have been found in lungs and other tissues of emphysematous subjects.
Published Version
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