动物蛋白过多，尤其是红肉类，已经同增加心脏病、前列腺癌、乳腺癌，结肠癌的危险性联系到一起了。

Too much animal protein, especially red meat, has been linked with significantly increased risks of heart disease, prostate cancer, breast cancer and colon cancer.

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总体而言，研究人员发现了职业暴露几种化学制剂是乳腺癌发病的危险性增加，尤其在女性36岁之前，危险性最高。

Overall, the researchers found an increased risk of breast cancer with occupational exposure to several agents, which was highest when exposures occurred before age 36.

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乳腺癌是女性中最常见的肿瘤之一，尤其是在发达国家。

Breast cancer is one of the most common cancers in women, particularly in the developed countries.

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