What good is soy in the diets of American girls? Asian women who have a greater amount of soy in their diets have less chance of breast cancer than do American women. Here is another insightful article by Dr. Stephen Chaney explaining soy and what scientists have learned.

For years we have known that women in the United States have breast cancer rates that are 4 to 7 times higher than women in China or Japan. We’ve also known that when Chinese or Japanese migrate to this country their risk of breast cancer is no different from that of any other US citizen by the second or third generation. So clearly the increased risk of cancer in US women is not a matter of genetics. It is caused by the US lifestyle.

Because soy reduces the sensitivity of breast tissue to carcinogens in animal studies, many experts have suspected that it was the soy content of the Asian diet that was protective – but it has been difficult to prove and it was unclear how early in life soy was important.

Drs. Larrisa Korde and her colleagues at the National Cancer Institute set out to answer both questions.

They studied 1563 women of Chinese, Japanese or Filipino descent aged 20 to 55 years (597 with breast cancer and 966 without) and determined their intake of soy-containing foods during childhood, adolescence and as adults.

They then divided the women into three groups – those with high frequency of soy intake (more than 1.5 times/week), those with medium frequency of soy intake (1 to 1.5 times/week), and those with low frequency of soy intake (0 to 1 times/week – not unlike the average American).

When they compared the high intake group with the low intake group the results were striking.

A high level of soy intake in childhood was associated with a 58% reduction in breast cancer. A high soy intake during adolescence and the adult years was associated with a 20-25% reduction in breast cancer (Cancer Epidemiology Biomarkers and Prevention, 18: 1050-1059, 2009).

When you couple that with the December 2009 report in the Journal of the American Medical Association showing that soy consumption decreases the risk of breast cancer recurrence in those women who do develop breast cancer it sends a powerful message.

Soy is a woman’s friend – all the way from childhood on.

To Your Health!
Dr. Stephen G Chaney

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For More Information Click on These Links:

Why Do We Need a Soy Protein Supplement?

Healthy Rx for a Healthier Life – Foundations For Health

Dietary Supplement Safety, What Supplements Are Safe?

Anti-Aging Supplement with Antioxidant Nutrition – Is There A Fountain Of Youth?

Best Multivitamin – Every Vitamin and Minerals Your Body Needs

Shaklee Product Ingredient Philosophy

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