女吃豆腐男吃鱼

女吃豆腐男吃鱼

 　　Won ho ate soy regularly as children have a loer risk of breast cancer, Arican researchers report. And n ho eat fish several tis a eek have a loer risk of lon cancer, a send team of researchers have told the Arican Association for Cancer Research.

　　据美国研究人员报告，儿童时期经常吃豆类食品的女性患乳腺癌的风险较小。另一组研究人员则向美国癌症研究协会提出，一周吃几次鱼的男性患结肠癌的几率较小。

　　The studies add to a groing body of evidence about the role of diet in cancer. Cancer experts no believe that up to to-thirds of all cancers e from lifestyle factors such as smoking, diet and lack of exercise.

　　这两项研究进一步证明了饮食对于防癌的作用。癌症防治专家认为，在所有种类的癌症中，多达三分之二都是由吸烟、节食及缺乏锻炼等生活方式造成的。

　　The US National Cancer Institute and researchers at the University of Haaii found that on ho ate the most soy-based foods, such as tofu and miso, hen aged 5 to 11, reduced their risk of developing breast cancer by 58 per cent. It as not clear ho soy might prevent cancer, though pounds in soy called isoflavones have estrogen- like effects.

　　美国全国癌症研究所和夏威夷大学的研究人员发现，在5岁至11岁时经常吃豆腐、味噌等豆类食品的女性患乳腺癌的几率要低58%。至于豆类食品为什么可以防癌还不清楚，不过大豆中所含的名叫异黄酮的化合物具有雌性激素的作用。

　　A send study shoed that n ho ate fish at least five tis a eek had a 40 per cent loer risk of developing lorectal cancer pared ith n ho ate fish less than once a eek.

　　另一项研究表明，一周吃鱼至少五次的男性患结肠癌的风险要比那些一周都吃不到一次鱼的男性低40%。

　　Many kinds of fish are rich in oga-3 fatty acids, hich interfere ith the cyclooxygenase-2 or COX-2 enzy. COX-2 affects inflammation, hich may play a role in tumour groth.

　　很多鱼类中所富含的Oga-3脂肪酸能够抑制环氧化酶2的活性。环氧化酶2会引起发炎，这可能会刺激肿瘤的生长。