肉类消费与癌症风险升高有关 Meat consumption linked to elevated cancer risk

最近对英国生物银行475,000名参与者的数据进行的荟萃分析表明,吃红肉和加工过的肉可能会增加结直肠癌的风险。红肉的消耗也与乳腺癌和前列腺癌的风险增加有关。甚至所谓的白色平均鸡肉的摄入与前列腺癌和非霍奇金淋巴瘤的风险增加有关。

牛津大学和其他组织的研究人员对来自470,488名年龄在37至73岁并且在基线时没有癌症的男性和女性的数据进行了元分析,并发现了这些相关性。在平均5。7年的随访期间,有23,117名参与者被诊断患有癌症。

研究表明,每天食用50克红肉与结直肠癌风险增加20%,乳腺癌风险增加13%,前列腺癌风险增加14%呈正相关。每天吃20克加工肉类与结直肠癌风险增加16%有关。

每天消耗30克鸡肉与黑色素瘤,前列腺癌和非霍奇金淋巴瘤的风险分别增加20%,11%和26%呈正相关。

消费红色和加工肉类,特别是加工肉类的风险早已为人所知。鸡肉被认为更安全。但目前的研究发现它也可能增加某些类型恶性肿瘤的风险。一些研究发现,鸡肉烹煮不当会产生比红肉更多的致癌物质。

A recent meta-analysis of data from 475,000 participants in UK Biobank suggests that eating red meat and processed meat may increase risk of colorectal cancer. Consumption of red meat was also associated with increased risk of breast cancer and prostate cancer.  Consumption of even so called white mean chicken meat was linked with elevated risk of prostate cancer and non-Hodgkin lymphoma.

Researchers at University of Oxford and other organizations meta-analyzed data from 470,488 men and women aged 37 to 73 years who were free of cancer at baseline, and found these associations.  During an average 5.7-year follow-up, 23,117 participants were diagnosed with cancer.

The study showed that eating 50 grams of red meat per day was positively correlated with 20% increased risk of colorectal cancer, 13% increased risk of breast cancer, and 14% increased risk of prostate cancer.    Eating 20 grams per day of processed meat was linked to a 16% increase in the risk of colorectal cancer.

Consumption of 30 grams per day of chicken meat was positively linked to 20%, 11% and 26% increased risks of melanoma, prostate cancer and non-Hodgkin lymphoma, respectively.

The risk from consumption of red and processed meat, particularly processed meat has been known for long.  Chicken meat has been considered much safer.  But the current study finds it may also increase risk of certain types of malignancies.  Some studies have found chicken when cooked improperly can generate an even larger amount of carcinogen than red meat.

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