单项选择题
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 Organisation 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.'
第 51 题
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