Alzheimer’s disease is not inherited. Alzheimer’s disease is the result of a combination of genetic, lifestyle, and environmental factors. If there is a history of Alzheimer’s disease in the family, the patient will have an increased risk of developing Alzheimer’s disease, but it does not mean that the patient will definitely develop Alzheimer’s disease. Risk factors for the onset of the disease are low levels of education, dietary factors, long-term smoking, heavy alcohol consumption, and lower estrogen levels in women. Diabetes, hypertension, hypercholesterolemia, hyperhomocysteinemia, leading to atherosclerotic blood vessels in the brain, blood cells brain cells are in a chronic state of ischemia and hypoxia, are risk factors for the occurrence of second isheimer’s disease, previous head trauma is also a risk factor for Alzheimer’s disease.