Zinc, exercise, and thyroid hormone function

Sannasi Ganapathy

doi:10.1080/10408699991279213

Zinc, exercise, and thyroid hormone function

1999-05-01

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DOI：10.1080/10408699991279213

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During the last 3 decades, remarkable advances have taken place in the field of zinc metabolism. Thirty years ago, only three enzymes that required zinc for their activities were identified; today more than 200 such enzymes have been classified. Zinc plays a vital role in human nutrition and biochemical function. Prior to 1963, zinc deficiency in humans was unknown. Today, it is recognized that a nutritional deficiency of zinc is common throughout the world, including the U.S. A marginal deficiency of zinc appears to be prevalent in many segments of populations in developed countries, and more severe deficiencies are widespread in many parts of the world. Therefore, it is important that proper steps to correct zinc deficiency are taken. However, the assessment of zinc nutriture has always proven to be a difficult problem because no reliable measure of zinc status currently exists. More recently, it has been recognized that zinc may play an important role in thyroid hormone metabolism, although the exact mechanism by which zinc affects thyroid hormone function is far from clear. In addition, exercise has been shown to alter zinc status. This review will focus on the relationship among zinc status, exercise, and thyroid hormone function.

Keywords:

METALLOTHIONEIN GENE-EXPRESSION

DENSITY LIPOPROTEIN-CHOLESTEROL

DEFICIENT RATS

ELDERLY POPULATION

IMMUNE FUNCTION

UNITED-STATES

DIETARY ZINC

BLOOD ZINC

NUTRITION

TISSUE

Zinc, exercise, and thyroid hormone function

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