Wednesday, June 6, 2007

Folic Acid Doesn't Prevent Precancerous Polyps

You know how these things go, one day you hear one thing, the next day the results are opposite. You may have heard about this before or not, but apparently high doses of folic acid do not prevent precancerous colon polyps in people prone to them and may actually increase the risk of developing the growths, a new study from Hitchcock Medical Center reveals.

It's the latest evidence that taking too many vitamins may be harmful. Last month, a study linked heavy vitamin use to fatal prostate cancer, and other research has shown beta-carotene pills can heighten smokers' risk of lung cancer.

The results surprised scientists. Previous studies showed diets low in folic acid led to a higher risk of colon cancer. Now researchers speculate that some folic acid helps as long as the colon is free of microscopic cancer cells. Feel better now? Click here to read the full article.

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