Word: colonizes
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...more than 120,000 female registered nurses that began in 1976. Last October researchers from the Brigham and Women's Hospital in Boston used the data to determine that women who daily consumed at least 400 micrograms of folic acid--one of the B vitamins--decreased their risk of colon cancer as much as 75% over 15 years. Intriguingly, folic acid, which is generally consumed in the form of folate, is commonly found in many vegetables and beans. But it didn't matter whether the women got their folic acid from food or dietary supplements...
When the Brigham researchers looked at fiber intake alone, however, a different picture emerged. After excluding women who had already developed colon cancer or had other factors that might skew the data, the researchers found 787 cases of colorectal cancer from 1980 to 1996 among 88,757 women. Yet the nurses who consumed the most fiber (around 25 g a day) were no better off than the ones who ate the least (10 g a day). There was an indication that "fiber from fruit might protect against colon cancer," says Dr. Charles Fuchs, a gastrointestinal oncologist who led the study...
...what should you do if you're worried about colon cancer? Current evidence suggests you take a multivitamin that contains 400 micrograms of folic acid, don't smoke, avoid eating red meat more than five times a week and get plenty of exercise. Whatever you do, don't use the Nurses' Health Study as an excuse to skimp on fruits and vegetables. The rest of your body may never forgive...
...resources on colon cancer, visit time.com/personal or cancernet.nci.nih.gov E-mail Christine at gorman@time.com
FIBER Study suggests it does little to prevent colon cancer. And the box it comes in tastes better...