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创新英语-Red Meat Increases Risk of Cancer

时间:2011-04-16 05:17来源:互联网 提供网友:xu183408   字体: [ ]
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Health authorities in Britain have advised against eating too much red meat. The British government has issued a set of red meat guidelines which caution against eating more than 500 grams a week, or 70 grams a day. This is the equivalent of two beef burgers. Scientists say that eating more than this increases the risk of getting colon1 and bowel2 cancer. The new limits are down on the 90 grams a day recommended in 1998. Researchers think people who eat a lot of meat like lamb, beef, ham and bacon have a higher risk of cancer. A 2005 European study found people who ate about 160 grams of red meat a day increased their bowel cancer risk by one third compared to people who ate little meat. People have around a one in 19 chance of developing bowel cancer in their lifetime.

Experts told people the new guidelines did not mean people had to abandon red meat. The head of health information at Cancer Research U.K. said: "This doesn't mean people have to become vegetarian3, but if you're having a steak every day, that's probably not helping4.” Scientists are unsure as to why red meat increases the risk of colon cancer. They suspect that haem, the pigment5 that gives meat its colour, damages the cells in the digestive system and the lining6 of the colon. A World Cancer Research Fund official said: "Following simple diet and lifestyle advice can help protect against cancer. Red meat can be part of a healthy balanced diet. It is a good source of protein and vitamins and minerals…But people who eat a lot of red and processed meat should consider cutting down.”


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1 colon jqfzJ     
n.冒号,结肠,直肠
参考例句:
  • Here,too,the colon must be followed by a dash.这里也是一样,应当在冒号后加破折号。
  • The colon is the locus of a large concentration of bacteria.结肠是大浓度的细菌所在地。
2 bowel Bszzy     
n.肠(尤指人肠);内部,深处
参考例句:
  • Irritable bowel syndrome seems to affect more women than men.女性比男性更易患肠易激综合征。
  • Have you had a bowel movement today?你今天有排便吗?
3 vegetarian 7KGzY     
n.素食者;adj.素食的
参考例句:
  • She got used gradually to the vegetarian diet.她逐渐习惯吃素食。
  • I didn't realize you were a vegetarian.我不知道你是个素食者。
4 helping 2rGzDc     
n.食物的一份&adj.帮助人的,辅助的
参考例句:
  • The poor children regularly pony up for a second helping of my hamburger. 那些可怜的孩子们总是要求我把我的汉堡包再给他们一份。
  • By doing this, they may at times be helping to restore competition. 这样一来, 他在某些时候,有助于竞争的加强。
5 pigment gi0yg     
n.天然色素,干粉颜料
参考例句:
  • The Romans used natural pigments on their fabrics and walls.古罗马人在织物和墙壁上使用天然颜料。
  • Who thought he might know what the skin pigment phenomenon meant.他自认为可能知道皮肤色素出现这种现象到底是怎么回事。
6 lining kpgzTO     
n.衬里,衬料
参考例句:
  • The lining of my coat is torn.我的外套衬里破了。
  • Moss makes an attractive lining to wire baskets.用苔藓垫在铁丝篮里很漂亮。
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