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Effect of Folate on Colon and Blood Cells
Description

This study looks at the effect of folate supplementation and depletion on the blood cells and the colorectal cells. To examine the effect of these changes, blood samples and colorectal biopsy samples are collected. The genetic material (RNA and DNA) is examined to see what changes occur during the depletion and supplementation of folate. The hypothesis is that folate may help prevent colon cancer