简介：Calciumisimportantforourhealth.Wemusthaveitinourdiettostaywell.Agoodplacetogetitisfromdairyproductslikemilk,cheeseandicecream.Onepoundofcheesehasfiftytimesthecalciumweshouldhaveeveryday.Otherfoodshaveless.Forexample,apoundofbeansalsohascalcium.Butithasonlythreetimestheamountweoughttohavedaily.
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