Modern genetic studies have shown that in all malignant tumors, there are only about 5% of genetic predisposition. Although the occurrence of these cancers are family, but the vast majority of the poor diet and environmental factors are inseparable, is the result of a variety of factors together. Therefore, those who have a family history of cancer genetics. If Yao change their eating habits, also can reduce or avoid the tumor. After investigation, several cancers have a genetic predisposition, need to pay attention to:
Breast cancer. Studies have shown that breast cancer has a clear family genetic tendency. If one person has a breast cancer, the odds ratio of his family to the disease is 3 times higher than that of the average person 1.
Colon cancer. Especially for patients with familial multiple polyps of the colon, the development of a high risk of colon cancer. If a parent has a colon cancer with multiple colon polyps, nearly half of them are likely to have a similar type of cancer.
- lung cancer. Genetic factors also play a role in the occurrence of lung cancer. Japanese scholars have shown that there is a family history of lung cancer and smoking women, the risk is no family history of the disease and not more than 5 times the number of smokers.
- - - - - - - - - - - -. The current medical science has confirmed that the mother cell tumor and genetic defects. This tumor is good for children, and it has a high degree of malignancy. According to Japanese statistics, the occurrence of 1/3 in the mother cell tumor of the retina is related to heredity.