Eating Soy Reduce Lung Cancer Risk

A study completed by Japanese scientists has discovered that people who consume high levels of soy, are at a lower risk for lung cancer. Soy is full of isoflavones, which are believed to help reduce the risks of several types of cancer. Dr. Taichi Shimazu of the National Cancer Center in Tokyo along with several colleagues conducted the study.

The study began in 1995 and included 36,177 men and 40,484 women. All the participants were between the ages of 45 to 74 years of age and lived in Japan. The participants were all cancer free at the beginning of the study. Participants were studied for just over eleven years.

The men’s daily soy consumption ranged from 34 grams to 162 grams. Out of all the men in the study, less than 23,000 were smokers. 481 of the men smokers were diagnosed with lung cancer during the study time frame. 22 of the 13,051 non-smoking men were diagnosed with lung cancer.

This latter group consumed the minimum amount of soy during the research period. Only 13 of the non-smoking men who ate a larger amount of soy, developed lung cancer. The women in the study had much lower lung cancer incidences than the men.

Researchers were not able to make any definitive links between a high soy diet and a lower risk of lung cancer, but they believe it is something to be researched further. Researchers believe the link has to do with the fact that cells around the lungs respond well to isoflavones.

The results of the study are published in the January 13th online edition of the American Journal of Clinical Nutrition.

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