[MOL] Fruit & Veggies not linked to lower risk of colon cancer... [00884] Medicine On Line


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[MOL] Fruit & Veggies not linked to lower risk of colon cancer...



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Title: Fruit And Vegetables Not Linked To Lower Risk Of Colon, Rectal Cancer
URL: http://aje.oupjournals.org/cgi/content/abstract/152/11/1081
12/15/2000 05:01:29 PM
By Elda Hauschildt


Consumption of vegetables or fruits is not associated with lower incidence of rectal cancer and there are no statistically significant links between total vegetable or fruit intake and colon cancer risk.

Links between fruit and vegetable eating and colorectal cancer risk were assessed in the Netherlands Cohort Study on Diet and Cancer. A validated, 150-item food-frequency questionnaire was developed to assess the links between food frequencies and both colon and rectal cancers.

In 6.3 years of follow-up, researchers found that more than 1,000 incident cases of colorectal cancer had been registered.

They then used case-cohort analysis to calculate rate ratios. They also adjusted for age, alcohol intake and family history of colorectal cancer.

While there were no links between total fruit or total vegetable intake and colon cancer, an inverse association was observed for combined vegetable and fruit intake and colon cancer among women.

Brassica vegetables (cabbage and turnip, for example) and cooked leafy vegetables had inverse associations for both men and women. Brassica vegetables also showed a positive association for rectal cancer in women.

"As in other cohort studies," the investigators concluded, "the observed inverse relation between vegetable and fruit consumption and occurrence of colorectal cancer was less strong than relations reported in case-control studies."


http://aje.oupjournals.org/cgi/content/abstract/152/11/1081

 
 
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