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One hamburger, hold the hormones.

One hamburger, hold the hormones

An outbreak of fatigue, rapid heart rate, anxiety and weight loss in residents of Minnesota, South Dakota and Iowa last summer was caused not by a virus, as initially thought, but by the ingestion of bovine thyroid tissue. The June 1986 MAYO CLINIC HEALTH LETTER reports that more than 140 people became ill as a result of eating hamburger from a midwestern plant that included "gullet-trimmed" meat. Gullet trimming results in the inclusion of the animals' hormone-containing thyroid glands. Thyroid hormones regulate metabolism; the thyroid hormones in the hamburger boosted the people's metabolism to discomforting levels. Their bodies eventually cleared the excess hormone, and they all felt fine in about a month, says Ian Hay of the Mayo Clinic in Rochester, Minn.

It won't be necessary to ban hamburgers from your summer barbecues to avoid what the researchers facetiously dub "hamburgotoxicosis." After the outbreak, the U.S. Department of Agriculture banned gullet trimming.
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Title Annotation:bovine thyroid tissue in hamburger causes metabolism boost
Publication:Science News
Date:Jun 28, 1986
Previous Article:New way to watch cholesterol.
Next Article:Vitamin C at work in the eye.

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