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What causes colorectal cancer and How to prevent it?
What causes colorectal cancer and How to prevent it? Today we will continue to talk about colorectal cancer, the cause and prevention of colorectal cancer.
Let me start with the first question: the cause of colorectal cancer.
This is a problem that many people are concerned about. What is the cause of colorectal cancer? What causes the occurrence of colorectal cancer? In fact, for most cancers, including colorectal cancer, at present, the exact cause is not fully understood. However, for colorectal cancer, some risk factors are relatively clear.
First of all, as a malignant tumor of the digestive system, the occurrence of colorectal cancer is closely related to dietary factors.
Generally speaking, high-animal protein, high-fat, and low-fiber diets are factors in the high incidence of colorectal cancer. This is a modern diet. When some one was poor, how could there be high animal protein and high fat, no meat to eat, and occasionally only meat to eat during the holidays.
Now the living conditions are better, the meat is eaten more, and the whole grains of vegetables, melons and fruits are less eaten. The better the living conditions, the higher the incidence of colorectal cancer. If the living conditions are better, eating “good” (high animal protein, high fat and low fiber diet), there is a higher risk of colorectal cancer (mainly refers to colon cancer) ).
In addition, some unhealthy lifestyles (including sedentary, lack of physical activity, overweight, obesity, etc.) also increase the risk of colorectal cancer. These are also modern lifestyles. It can be seen that whether it is diet or lifestyle, it is life. After the conditions are good, the risk of colorectal cancer is increased. Colorectal cancer can be said to be “rich cancer”, which mainly refers to colon cancer.
Secondly, for colorectal cancer, genetic factors are also important risk factors, and this family heredity is in the colon.
Cancer is more common than rectal cancer, and young patients with colon cancer should pay particular attention to genetic factors.
In addition, some precancerous diseases have a certain risk of cancer, such as chronic ulcerative colitis, Crohn’s disease, polyposis, adenoma, etc. Among them, the malignant transformation rate of patients with familial adenomatous polyposis (FAP) is about 10% at 25 years old, 50% at 30 years old, and almost 100% malignant transformation before 50 years old. Therefore, early attention should be paid to the treatment of precancerous diseases.
Of course, there are some environmental or occupational factors that may also be related to the incidence of colorectal cancer, such as the lack of certain trace elements (such as molybdenum), long-term occupational exposure to asbestos, and so on.
The second question, how to prevent it?
Knowing the above-mentioned risk factors for colorectal cancer, then we must pay attention to the prevention of colorectal cancer.
The prevention of colorectal cancer is to target the above-mentioned risk factors, try to avoid contact and exposure, so as to reduce the risk of disease.
For example, arrange meals reasonably, eat more fresh vegetables, fruits and crude fiber food; develop a good lifestyle, do not smoke, drink, do not sit for a long time, actively participate in physical activities, control weight, prevent obesity, etc.; if there is ulcer Diseases such as colitis, polyposis, adenoma, and Crohn’s disease should be promptly intervened and treated actively.
The above are classified as first-level prognosis, that is, etiological prevention, which reduces the risk of colorectal cancer.
(source:internet, reference only)