title: "Calcium crisis" affects American youth.
mesh_terms: D000293:Adolescent; D000818:Animals; D002118:Calcium / Q000172:deficiency*; D002136:Calcium, Dietary / Q000008:administration & dosage*; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D008892:Milk; D018673:Nutrition Policy; D010024:Osteoporosis / Q000517:prevention & control*; D014481:United States
chemical_list: D002136:Calcium, Dietary; D002118:Calcium