Author Topic: Asian diet - The best cancer prevention  (Read 1366 times)

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Offline sithari

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Asian diet - The best cancer prevention
« on: September 16, 2006, 09:51:32 AM »

ASIAN DIET: In a paper on 'Soybean', the American Soybean Association say that Epidemiological studies done in the US on cancer prevention had shown that those who consuming a typical Asian diet have shown a lower incidence of cancer than those consuming a Western diet.

The relevant paragraph reads -
"Epidemiological studies show that populations which consume a typical Asian diet have lower incidences of breast, prostate and colon cancers than those consuming a 'Western diet'.

Here's the paper which makes health promoting reading for all of us, specially those who look down upon our traditional home cooked rice and curry diets.

In the United States, cancer is the second leading cause of death. Lifestyle factors are important in the etiology of the disease.

Cigarette smoking, physical inactivity and poor diet all contribute to cancer risk. Scientific evidence indicates that one third of cancer deaths in the Untied States are due to dietary factors.

Epidemiological studies show that populations which consume a typical Asian diet have lower incidences of breast, prostate and colon cancers than those consuming a Western diet. The Asian diet includes mostly plant foods, including legumes, fruits and vegetables and is low in fat. The Japanese have the highest consumption of soyfoods.

On the other hand, the typical Western diet includes large amounts of animal foods, is lower in fiber and complex carbohydrates and is high in fat. Soyfoods are dietary staples in the Orient, but are not commonly included in the Western diet.

Japan has a very low incidence of hormone-dependent cancers. The mortality rate from breast and prostate cancers in Japan is about one-fourth that of the Untied States.

There is evidence that suggests the difference in cancer rates is not due to genetics, but rather to diet. Migration studies have shown that when Asians move to the Untied States and adopt a Western diet, they ultimately have the same cancer incidence as Americans.

The American Cancer Society has created guidelines designed to help reduce the risk for cancer. Their recommendations include:

* Choose most of the foods you eat from plant sources

* Limit your intake of high-fat foods, particularly from animal sources

Soyfoods fit these guidelines for a health-promoting diet. Soybeans contain high quality protein, and make an excellent substitute for animal foods. Soyfoods and soy products are amazingly versatile, and can easily be incorporated into a varied diet.

Because of the trends seen in the epidemiological studies, case-control studies have been conducted to find out whether there may be a relationship between the consumption of soyfoods and decreased cancer risk.

A study of dietary intakes and breast cancer showed that in premenopausal women, high intakes of animal protein were associated with increased risk, while high intakes of sofyfoods were associated with decreased risk.

Other long-term studies have noted an inverse association between regular consumption of miso soup and breast cancer risk in premenopausal women. This association has not been shown in postmenopausal women.

In Hawaii, a long-term study of 8,000 men of Japanese ancestry showed that men who ate tofu daily were only one-third as likely to get prostate cancer as those who ate tofu once a week or less.

Other case-control studies conducted in Asia have shown an association between regular consumption of tofu or other soyfoods and a 66 per cent to 80 per cent decreased risk for rectal cancer.

Anticarcinogens in Soybeans - Soybeans contain five classes of compounds which have been identified as anticarcinogens. These include isoflavones, saponin, phytates, protease inhibitors and phytosterols.

Most of these substances can be found in many different plant foods, but soy is the only significant dietary source of isoflavones. Soy isoflavones, especially genistein, have been the subject of a tremendous amount of cancer research.

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