Word: colonization
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...fore is the extraordinary pace of genetic research. In the past few months, scientists have developed experimental tests for several cancer-causing genes that were discovered only last year--including one called BCRA1, which, if mutated, can trigger breast tumors. Tests for newly identified genes that cause melanoma and colon cancer will soon be marketed to doctors...
Fruits, vegetables, fish and low-fat dairy products contain high levels of the amino acid methionine, which is important in preventing colon cancer, and folic acid, which is used by the body to make methionine...
...study found that men who had diets low in methionine and folic acid and at the same time had an average of two drinks a day or more were at a greater risk for colon cancer than those who had a diet high in nutrients and who drank alcohol at more moderate levels...
...Edward L. Giovannucci, instructor of medicine at Harvard Medical School and lead author of the study, said the results indicate the "empty calorie diet" is a major factor in increasing one's risk of colon cancer. "People eat a lot of potato chips and pretzels and don't get the nutrients they need," he said...
...survey were grouped into five categories based on their level of consumption of folic acid. Those who consumed the least folic acid exhibited the highest occurrence of colon cancer in connection with alcohol consumption...