disorders of nutrition
Zinc Excess
Introduction
Zinc excess occurs when the body has too much of the mineral zinc. Zinc is widely distributed in the body—in bones, teeth, hair, skin, liver, muscle, white blood cells, and testes. It is a component of more than 100 enzymes, including those involved in the formation of RNA (ribonucleic acid) and DNA (deoxyribonucleic acid). (See also Overview of Minerals .) The level of zinc in the body depends on the amount of zinc consumed in the diet. Zinc is necessary for healthy skin, healing of wounds, and growth. People rarely consume too much zinc. Usually, zinc excess results from consuming acidic foods or beverages packaged in a zinc-coated (galvanized) container. In certain industries, inhalingzinc oxidefumes can result in zinc excess. fumes can cause rapid breathing, sweating, fever, muscle aches, and a metallic taste in the mouth—a disorder called metal fume fever. Consuming too much zinc for a long time can reduce the absorption of Copper Deficiency , cause 