Zinc is a trace mineral, second only to iron in its concentration in the body. Adult humans contain 2 to 3 grams of zinc, but it is difficult to measure an individual's zinc status, particularly during acute illness. Zinc is necessary for the immune system to function correctly. Zinc is involved in cell division, cell growth, wound healing, break down of carbohydrates, enhancing action insulin, and it is necessary for the sense of smell and taste. During pregnancy, infancy, and childhood, zinc is a requirement for proper growth and development.
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