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United States Department of Agriculture

Agricultural Research Service

New ARS Food & Nutrition Research Briefs Posted on Web / July 21, 2006 / News from the USDA Agricultural Research Service

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New ARS Food & Nutrition Research Briefs Posted on Web

By Marcia Wood
July 21, 2006

Recent discoveries about foods and our health are described in the newest edition of the Agricultural Research Service's Food & Nutrition Research Briefs. The informative, easy-to-read newsletter is available at:

http://www.ars.usda.gov/is/np/fnrb/fnrb0706.htm

Highlighted in this issue are agency studies in which scientists report that:

  • Thomcord seedless grape combines the best traits of two favorites, Thompson Seedless and Concord.
  • Young African-Americans tested low in vitamin D in a 14-city survey.
  • Choline--found in eggs, peanuts, dairy products, bacon and other familiar foods--helps halt the homocysteine buildup associated with higher risk of heart attack, dementia, stroke and cancer.
  • Female volunteers who ate a high proportion of "high-glycemic-index" foods over a 10-year period were more than twice as likely to develop an early indicator of age-related macular degeneration, one of the leading causes of irreversible vision loss in America.
  • Consuming less than the recommended level of zinc may interfere with the activity of a zinc-dependent enzyme, carbonic anhydrase, making the heart need to work harder during exercise.

To receive this free newsletter as an e-mail, or to receive an e-mail alerting you that a new issue has been posted on the World Wide Web, visit the ARS Food & Nutrition Briefs subscription page.

ARS is the U.S. Department of Agriculture's chief scientific research agency.

Last Modified: 7/21/2006
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