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  3. Study Confirms Red Meat Link with Bowel(结肠)Cancer People who eat more than 160 grams of red or processed meat a day are 35 pe

Study Confirms Red Meat Link with Bowel(结肠)Cancer People who eat more than 160 grams of red or processed meat a day are 35 pe

admin2009-06-15  46
问题                       Study Confirms Red Meat Link with Bowel(结肠)Cancer
   People who eat more than 160 grams of red or processed meat a day are 35 percent more likely to develop bowel cancer than those who eat less______(51)20 grams a day, according to one of the biggest nutrition investigations ever carried out.
   The European Prospective Investigation into Cancer and Nutrition followed 478,040 men and women______(52)35 to 70 from 10 European countries.
   All subjects were free of cancer at enrollment between 1992 and 1998, but ______(53)an average follow-up of almost 5 years 1,329 bowel cancers had been reported.
   The subsequent analysis, published in the Journal of the National Cancer Institute, confirms the long-held suspicion______(54)high intakes(纳入量)of red meat are associated with increased bowel______(55)risk.
   After taking into consideration factors like age, sex, height, weight, energy intake, physical activity, smoking, and alcohol consumption, the investigators found that bowel cancer was______(56)with intake of red and processed meat but not chicken.
   Risk of bowel cancer dropped with increasing intake of fish. Eating more than 80 grams a day of fish was associated______(57)a 31 percent reduction in risk compared with eating less than 10 grams a______(58).
   Subjects with high red meat and low fish intake were at 63 percent higher risk of bowel cancer compared with subjects with low red meat and high fish______(59). In addition, the risk of developing the disease was increased for______(60)people who ate a low fibre diet.
   Sheila Bingham, study investigator at the UK’s Medical Research Council nutrition unit, said: "People have suspected for some time that high levels of red and processed meat______(61)risk of bowel cancer, but this is one of the largest studies worldwide and the first from Europe of this type to show a______(62)relationship."
   She added in a statement: "The overall picture is very consistent for red and processed meat and fibre across all the______(63)populations studied."
   Study coordinator, Elio Riboli, of the World Health Organization International Agency for Research into Cancer, said: "Other risk factors for______(64)cancer include obesity(肥胖)and lack of physical activity. Smoking and excess alcohol may also play a ______(65). These factors were all taken into account in the analysis."
选项 A、strong
B、poor
C、weak
D、casual
答案A
解析
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