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Protective Effect of Soy Consumption in Overweight Women.
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James Offline

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Protective Effect of Soy Consumption in Overweight Women.

Protective Effect of Soy Consumption in Overweight Women.

Diabetes mellitus is a chronic condition in which the body does not produce or does not use insulin effectively. It is not simply hyperglycemia, or too much glucose (sugar) in the blood. Ninety percent of individuals with diabetes have type 2 (NIDDM, non-insulin independent diabetes). Most of these individuals are over 40 years old. Heart disease is the leading cause of diabetes-related deaths, with adults having two to four times higher heart disease death rates than adults without the disease. Patients with diabetes develop more atherosclerosis (hardening of the arteries) than people without diabetes, and some 60-65 percent of patients with diabetes have high blood pressure.

Soy Isoflavones are a dietary supplement derived from soybeans containing phytoestrogens. These weak estrogens are chemically similar in structure to naturally produced estrogen hormones. Isoflavones are found in soy foods both with and without a sugar molecule attached. The two primary isoflavones in soybeans are daidzein and genistein and their respective glucosides, genistein and daidzein. Soy foods typically contain more genistein than daidzein, although this ratio varies among the different soy products. In cultures where soy products are consumed in abundance, women's health problems, certain cancers, and cardiovascular disease are reported to be less prevalent.

The Journal of Nutrition recently published the results of a study that found that soy may reduce the risk of type 2 diabetes in overweight women. The study included 25,872 men and 33,919 women aged 45 to 75 years who had no prior history of diabetes. The participants were asked to complete a 147-item food frequency questionnaire to assess dietary intake of soy product and isoflavone intake. Over a five year follow-up period, a total of 1,114 people developed type 2 diabetes. The results revealed that intake of soy products and isoflavones were not associated with a significant reduction in the risk of type 2 diabetes in men or women, although it was found that the highest intake of soy products was found to significantly reduce the risk of diabetes in overweight women. The risk of type 2 diabetes was 40 to 50 percent lower in overweight women who consumed more than 118 grams of soy per day, compared to overweight women who consumed less than 43 grams a day. The results of this large study suggest a protective effect among overweight women consuming soy.1

1 Nanni A, Mizoue T, Takahashi Y, et al. Soy Product and Isoflavone Intakes Are Associated with a Lower Risk of Type 2 Diabetes in Overweight Japanese Women. J Nutr. Jan2010.
07-04-2012 06:32 AM
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