Cancer threatens the health of human beings, and so far no complete cure for it has been found. According to the statistics of the Ministry of Health of the People’s Republic of China, cancer is the second cause of death of the population, and the first is cardiovascular disease. In China it is estimated that 2 to 2.3 million new cancer patients are found every year, and 1.2 to 1.5 million patients die every year. With the trend of aging population, cancer will become more and more intense, and 20 million new cancer patients may occur every year in the world. After years of research by foreign medical experts found that the following people are good for cancer: 1, high blood pressure patients American medical experts on the 300,000 men’s clinical research shows that the cancer rate of hypertension patients and mortality rate of normal blood pressure more than 2 times, and predicted that the next 10 years of cancer mortality rate may be positively proportional to the rise in blood pressure. Of course, it is not that high blood pressure directly leads to cancer, but the occurrence of the two diseases have some normal mechanism, such as obesity, alcoholism, eating too much salt, etc. can contribute to the elevation of blood pressure, but also can induce cancer. Therefore, active prevention and treatment of hypertension, but also reduces the risk of cancer. 2, obese Columbia University research data show that the risk of colon cancer in obese women is 2 times higher than that of general women. The American Cancer Center reports that the possibility of breast cancer in women who are particularly obese above the waist is 4 to 6 times higher than that of normal people. Therefore, for people who are overweight by more than 30%, weight loss becomes one of the important measures to prevent cancer. 3, cholesterol is too low Cholesterol is too high will cause coronary heart disease or stroke, many people control the diet to avoid excessive intake of cholesterol. In fact, cholesterol is one of the indispensable nutrients of the human body, but also the resistance to disease, not the lower the better. Lowering cholesterol can make about 10% of people live one year longer, but make the incidence of cancer and mortality rate increased by 30%. British researchers report that a major risk factor for death in middle-aged and elderly women is low cholesterol, especially below 5 mmol per liter of blood when the risk is greatest. 4, vitamin deficiency Swiss experts believe that the body of protective vitamins low people vulnerable to cancer. For example, the risk of stomach cancer increases 3.5 times in vitamin A deficient people, and the risk of other cancers increases more than 2 times; the risk of bladder cancer, esophageal cancer and adrenal cancer increases 2 times in vitamin C deficient people; in vitamin E deficient people, the prevalence of lip cancer, oral cancer, pharyngeal cancer, skin cancer, cervical cancer, gastric cancer, intestinal cancer, and lung cancer all increase. 5.Allergic people American scientists investigated nearly 40,000 people, who have asthma, drug or chemical reagent allergies, are more likely to suffer from cancer than those who do not have a history of allergy. For example, women with a history of allergies have a 30% higher chance of developing breast cancer than normal people, and men with a history of allergies have a 41% higher risk of developing prostate cancer than normal people. 6, often late at night Although the pathogenesis of cancer has not been completely clarified, but one thing is certain, that is, poor sleep is also a risk factor. Because cancer cells are formed in the process of normal cell fission mutation, and the night is the most vigorous cell fission period, sleep is not good, the human body is difficult to control the cell mutation and become cancer cells. Smoking and drinking coffee will make more carcinogens invade into the body if people stay up too late to refresh themselves. Eating too fast Eating too fast, on the one hand, coarse and hard food is easy to scrape away the mucus covered on the surface of mucous membrane of upper gastrointestinal tract, break the mucous membrane of esophagus, form scar, make the upper gastrointestinal tract, especially esophagus, narrow, and make the food pass through quickly, and get more and more damaged; on the other hand, due to swallowing, it will make the mucous membrane of esophagus damaged, so that the mucous membrane of esophagus will easily be infringed upon by the carcinogenic substances contained in the food and become cancerous. Cancer will occur. On the other hand, if you eat too fast, you cannot play the anti-cancer role of saliva, which is a unique anti-cancer agent of human body. According to researchers, saliva secreted during chewing contains more than 10 kinds of enzymes, nearly 10 kinds of vitamins and minerals, organic substances and hormones, which have obvious detoxification effects on harmful substances, and even 30 seconds can make the carcinogens completely lose their effects on cells. Therefore, chewing and swallowing, so that food and saliva fully mixed and stirred, is to refuse carcinogens outside the door of the wise move. 8, like to eat hot food esophageal cancer epidemiological survey shows that people who like to eat hot food are prone to esophageal cancer. According to the survey, residents of Linxian County, Henan Province of China generally eat at a temperature of 71 ℃ to 74 ℃, and the region is precisely the high incidence of esophageal cancer. Eat into the boiling hot soup, porridge, soup, tea and other diets, will burn the esophageal mucosa and make it necrosis, long-term, can make the Department of cancer. Medical research found that often drinking high temperature (more than 80℃) tea may scald the esophagus, and the tannin in tea can be deposited in the damaged area, constantly stimulate the esophageal epithelial cells and make them mutate, and the mutated cells can become cancerous tissue after proliferation. 9. Meat Eaters Excessive animal fat is one of the factors that induce some cancers. Harvard University experts found that every day to pigs, cows, sheep and other livestock meat as the main diet of women suffering from intestinal cancer than those who eat meat only a few times a month 2.5 times higher. Japanese daily fat intake than the 50s increased by 4 times, accompanied by a steep rise in cancer incidence. 10, refused to drink yogurt Yogurt contains highly active lactic acid bacteria and Streptococcus thermophilus, can reduce the body’s absorption of fat. Drinking yogurt every day can increase the number of human immunoglobulins, improve the body’s nutritional level, so that the body’s immune function can be strengthened, thereby reducing the incidence of breast cancer. 11, holding back the stool Recent studies have found that the risk of bladder cancer is directly proportional to the time of urine retention. Urine has a substance that can cause cancer, will split the muscle fibers of the bladder, promoting cancer. Therefore, experts advocate that the interval between urination should not be too long in order to reduce or avoid bladder cancer. In addition, there are many harmful substances in stool, such as indole, hydrogen sulfide, baking odor and other carcinogens, which often stimulate the intestinal mucosa and lead to cancer. Therefore, the precautionary action is to defecate regularly every day. 12.A-type blood According to oncologists’ investigation, there is a certain relationship between blood type and cancer; A-type blood has the greatest possibility of suffering from cancer, and O-type blood has the smallest risk of suffering from cancer. 13, C-type personality, this character is characterized by excessive self-restraint, repression of their own sadness, anger, bitterness of emotion, do not let it vent. Malignant mood long-term role in the brain will lead to endocrine disorders, reduce the body’s immune function, thus giving cancer to take advantage of the opportunity. Medical experts to the English Cancer (cancer) of the first letter C for this character name, called C-type personality. Survey data show that the risk of cancer in people with C-type personality is more than three times higher than that of ordinary people.