Who are prone to breast cancer? Patients who have had breast cancer before or have a history of benign breast tumors; 2. Those who have a history of breast cancer in their family, especially those who have more than one immediate family member (mother, sister) who have had breast cancer and those who have breast cancer-related gene mutations. Women with first pregnancy older than 30 years old have a slightly higher risk of breast cancer than women who have never given birth; 4. Women who eat too much animal fat and are overweight after menopause; 5. Women with certain chronic breast diseases (such as atypical ductal epithelial hyperplasia, papillomatosis, etc.); 6. Women whose first menstruation is before the age of 12 or whose menopause is after the age of 55; 7. Women who apply estrogen to control menopausal symptoms. The risk of breast cancer increases moderately after many years in women with menopausal symptoms; 2. Can breast cancer be prevented? The answer is yes, the chance of developing breast cancer in women with bilateral mastectomy is almost zero. However, such preventive measures are obviously too harsh and unnecessary for women with low to moderate risk of breast cancer. It has been shown that taking 10 mg of triamcinolone twice daily for 5 years can reduce the incidence of breast cancer by nearly half. A number of other chemopreventive drugs are also being studied. The cause of breast cancer is not yet fully understood, but epidemiological studies have found that it is not unrelated to dietary and environmental factors. Therefore, the risk of breast cancer can be reduced by properly controlling the caloric intake in the diet, strengthening exercise, and improving poor lifestyle habits. How to detect breast cancer at an early stage? There are no other preventive measures to prevent the occurrence of breast cancer except preventive mastectomy, therefore, it is necessary for women with high risk of breast cancer to take measures to detect breast cancer at an early stage so as to obtain the best treatment effect. Early detection of breast cancer is currently advocated by breast radiography, clinical examination and self-examination. Mammography is the only clinically proven breast screening tool, especially for postmenopausal patients, which can detect subclinical breast cancer one to two years before the onset of clinical symptoms and can reduce the mortality rate of breast cancer in the population by 30%. Clinical examination is an effective complement to mammography screening, suitable for women of all ages, and can solve some practical problems. Self-examination of the breast is easy to perform and suitable for women of all ages, but its effectiveness varies depending on the patient’s education level and the teaching of the preceptor. Prevention strategies for women at high risk of breast cancer First of all, you should consult with your doctor or relevant specialist whether you have any risk factors for breast cancer and what is your chance of developing breast cancer in the next few years. You should then choose preventive measures according to your risk level, and of course you must refer to your physician’s advice and recommendations. If you choose preventive mastectomy, it is important to seek a second specialist’s opinion, especially to understand the physical and psychological changes you will face after bilateral mastectomy; you can also seek the help of a plastic surgeon for your breast reconstruction. For most women, close monitoring for early detection of breast cancer is a good recommendation, and all you have to do is a monthly breast self-examination, a clinical examination every 4 to 6 months and a mammogram every 1 to 2 years from the age of 40. Of course you can take more aggressive, but non-disfiguring, preventive measures such as taking triamcinolone and participating in other ongoing chemoprevention trials. The final piece of advice is that if you do unfortunately develop breast cancer, you should face the reality and treat it aggressively, as it is still curable in 2/3 of cases.