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Selenium's role in weight control.

Enriching diets with selenium, an antioxidant mineral, may boost weight gain, according to a small study by Wayne C. Hawkes and Nancy L. Keim of the U.S. Department of Agriculture's Agricultural Research Service in San Francisco.

For 4 months, they fed 11 healthy men, age 20 to 45, diets based on ingredients that differed only in selenium content. The diet was tailored to maintain their original weights. The five volunteers assigned to diets providing five times the recommended daily allowance (RDA) of selenium gained about 1.5 pounds during the study. Consuming only about one-fifth of the RDA for selenium, the six other men each lost about 1 pound. Unexpected changes in the body's production of a thyroid hormone known as T3 appear to have altered each group's rate of calorie burning, the researchers conclude.
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Title Annotation:Biomedicine; diets enriched with selenium may boost weight
Publication:Science News
Article Type:Brief Article
Date:Dec 9, 1995
Words:136
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