 February 16, 2010 Soy Isoflavones or simply referred to as isoflavones are known to be helpful in treating menopause symptoms as they show estrogen-like properties. It is suspected by experts that it might have anti-cancer effect but no properly designed clinical studies were done to show this benefit until now. A research group out of Japan spent around 11 years to monitor 36,177 men and 40,484 women aged 45 to 74 years old. The researchers found that those men with the highest intake from food sources have the lowerest risk of getting lung cancer. However, high intake of isoflavones did not have any effect in reducing lung cancer risk in smoking men. It also did not seem to affect the risk in women. It can be difficult to recommend a diet change nor can we clearly say eating soy-rich foods or taking supplements can help prevent lung cancer since it is possible that other factors may be involved (which the researchers could not take into account). For example, those men who eat soy-rich foods may also exercise more as they might be more health conscious. Expect more health benefits of isoflavones to be revealed in future research studies! 
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