Sex and age changes in serum zinc levels

Abstract Serum zinc was measured in 126 fit healthy subjects living at home, 31 elderly males (mean age 78.3 years), 30 young males (mean age 21.6 years), 33 elderly females (mean age 81.6 years) and 32 young females (mean age 22.1 years). There were highly significant differences for serum zinc between the four groups with respect to age and sex (p