 The highest concentration of cadmium is absorbed in the kidneys of humans , and up to about 30 mg of cadmium is commonly inhaled throughout human childhood and adolescence . 
 The highest concentration of cadmium is absorbed in the kidneys of humans , and up to about 30 mg of cadmium is commonly inhaled throughout human childhood and adolescence . 
The highest concentration of cadmium is absorbed in da kidneys of humans , and up to abt 30 mg of cadmium is commonly inhaled throughout human childhood and adolescence .