The tumor preventive measures what?

Do not smoke. Cigarette smoke in a variety of cancer-causing substances, such as benzopyrene dimethylnitrosamine, ZIOPO radioactive elements and phenolic compounds, and so on, there are serious harmful substances nicotine, carbon monoxide and tar, and so on, our country there are about 70 lung cancer patients % -80% As a result of long-term smoking. 1, not to smoke. Cigarette smoke in a variety of cancer-causing substances, such as benzopyrene dimethylnitrosamine, ZIOPO radioactive elements and phenolic compounds, and so on, there are serious harmful substances nicotine, carbon monoxide and tar, and so on, our country there are about 70 lung cancer patients % -80% As a result of long-term smoking. 2, the promotion of scientific diet. China's gastrointestinal cancer for more than 65%, mainly related to water pollution, contamination or improper diet, dietary fat, protein and carbohydrates to the structure in line with the proportion of health in order to plant food-based, with appropriate vegetables To avoid high-fat, high-protein, high-calorie diet can reduce cancer, colon cancer, prostate cancer, pancreatic cancer, breast cancer, endometrial cancer, ovarian cancer, and so on happening. 3, mold and mildew eat less food. It has been known for more than 20 kinds of fungi and their toxins cause cancer in experimental animals, such as aflatoxin B1 is the representative of China's high incidence of esophageal cancer, liver cancer, and so on and eat into the mold with closely related to the contaminated food. 4, does not drink alcohol or less. Alcohol not only to cirrhosis and liver cancer, but also with the brain, the occurrence of laryngeal cancer, has proven that 20-30 grams of alcohol a day of the possibility of women suffering from breast cancer than women not to drink 2 times higher. 5, to prevent food contamination. The main cancer-causing micro-organisms to prevent the spread of infection or strictly control and monitoring of food additives. 6, to avoid or reduce occupational cancer-causing factors. Due to certain types of plant and a high level of cancer-causing agent, thus leading to the higher incidence of cancer has been proved that kerosene, tar, asphalt, fungi, asbestos, mustard gas, chromium and arsenic, radioactive substances benzene, Benzidine, B-benzene, nickel carbonyl, and so there are carcinogenic, the need to strengthen the prevention of occupational diseases.