Studies have shown that about 1/3 of the tumors are preventable. The occurrence of colorectal cancer is mainly related to the following factors:
Dietary factors: diets with high animal fat, high protein and low dietary fiber;
Genetic factors: There are hereditary colorectal or colorectal cancers in the family members;
Benign lesions of the colon: patients with ulcerative colitis and colon adenoma.
More than three:
1. Daily dietary fiber 30 grams or more.
2. Eat more foods rich in dietary fiber: konjac, soy and its products, fresh vegetables and fruits, algae and so on.
3. Under the premise of keeping the amount of staple foods unchanged, substitute some coarse grains for fine grain. Vitamins and trace elements can not be ignored. Scientific research shows that vitamin A, beta-carotene, vitamin C, vitamin E, trace element selenium, etc. have a potential role in the prevention of malignant tumors.
Five less:
1. Eat less or not eat foods rich in saturated fats and cholesterol, including: lard, butter, chicken oil, sheep oil, fat, animal organs, roe, eel, cuttlefish, egg yolk, and palm oil and coconut Oil and so on.
2. Vegetable oil (peanut oil, soybean oil, sesame oil, rapeseed oil, etc.) is limited to about 20-30 grams per person per day (about 2-3 tablespoons).
3. Do not eat or eat fried foods.
4. Eat foods containing monounsaturated fatty acids in moderation, such as olive oil, tuna, etc.
5. Avoid excessive heating of animal foods and vegetable oils during cooking. Increase dietary fiber intake, can reduce the incidence of colorectal cancer, which may be due to dietary cellulose has a strong water absorption, so that the formation of stool, conducive to defecation, reduce the concentration of carcinogens in the intestinal tract, thereby reducing the occurrence of colorectal cancer danger.