Colon cancer causes
The main etiology: high-fat diet, lack of cellulose intake
1、 colon cancer
Some clinical findings may greatly increase the risk of onset. They include:
1、Age of onset
Most patients have morbidity after the age of 50.
If a first-degree relative, such as a parent, has colorectal cancer, he is 8 times more likely to have the disease throughout his life than the general population. About a quarter of new patients have a family history of colorectal cancer.
3. Colon disease history
Certain colonic diseases such as Crohn’s disease or ulcerative colitis may increase the chance of developing colorectal cancer. Their risk of colon cancer is 30 times more common.
Most colorectal cancers develop from small precancerous lesions and are called polyps. Including villous adenoid polyps more likely to develop into cancer, malignant change has a chance of about 25%; tubular adenomatous polyps malignant rate of 1-5%.
5. Gene characteristics
Some familial cancer syndromes, such as hereditary nonpolyposis colorectal cancer, can significantly increase the chance of developing colorectal cancer. And the onset time is more young.
2、the cause of the disease
Some epidemiological studies of colon cancer show that: social development status, lifestyle and diet are closely related to colon cancer, and there are phenomena that affect different parts of the different age groups colon cancer incidence of environmental and genetic factors may be different. Environment (especially diet), genetic, physical activity, occupation, etc., is a possible etiological factor affecting the incidence of colon cancer. “
Epidemiological studies have shown that 70% to 90% of the incidence of cancer and environmental factors and lifestyle-related, and 40% to 60% of environmental factors to a certain extent, associated with diet, nutrition, so the incidence of cancer in the diet Factors are seen as extremely important factors.
2. Occupational factors and physical activity
Moderate-intensity physical activity plays a protective role in preventing colon cancer, especially colon cancer.
3. Genetic factors
Family members with a family history of colon cancer (first degree relatives), especially those who are under the age of 40 who have a history of colon cancer, should be given high priority.
4 、disease factors pay attention to the following diseases of the body reaction
(1) Intestinal inflammation and polyps:
(3) cholecystectomy: “
Suction – a major factor in colon cancer
Of all Americans who die of colon cancer, 12% are due to smoking. Smoking can cause colon cancer. The chances of getting this cancer are directly proportional to the amount of tobacco consumption. Studies show that while smoking cessation reduces the chances of other diseases such as heart disease and lung cancer, the risk of colon cancer is still very high.
Dr. Ann Chai of the American Society for Anti-Cancer in Atlanta, Georgia, told Reuters Health Center that colon cancer is not universally considered a smoking-related cancer, but the American Cancer Association’s research data and other large studies show that it should Colon cancer is classified as a smoking-related cancer.
A report in the December 6th issue of the American Association for the Prevention of Cancer pointed out that the anti-cancer research information of more than 310,000 men and 469,000 women was analyzed. The results showed that male smokers die of colon cancer at a risk of 34% higher than non-smokers. Female smokers are 43% more dangerous. Although the proportion of people who die from colorectal cancer in smokers is also on the rise, their risk is slightly lower than that of colon cancer.
The authors point out that the longer people smoke, the more they die of colon cancer. Increasing the number of smokers daily and starting smoking when you are young can increase your risk of dying of colon cancer by smoking in packs of more than a year.
The study showed that smokers with 20 years of age face higher mortality from colon and rectal cancers, but the risk of dying from cancer can be reduced to normal if women do not smoke for 10 years or men smoke for 20 years Level.
The team also found that smoking cigars and smoking cigarettes also increased the risk of dying from 34% of colon cancers.
Super talked about, regardless of gender, smoking, especially long-term smoking will increase the mortality rate of colon cancer. Super warned: I recommend that smokers stop smoking for whatever reason, and the sooner the better, and suggest that non-smokers do not develop such a bad habit.
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Post time: Jan-31-2018