How is cerebral vascular stenosis caused?

Cerebrovascular stenosis caused by many reasons, common factors such as older patients, age growth, later may lead to the patient's blood vessels show arteriosclerosis, and then show cerebral vascular stenosis, in addition to long-term smoking patients, especially men after smoking can damage vascular endothelium, causing atherosclerosis performance, leading to cerebral vascular stenosis. In addition, long-term hypertension, especially when blood pressure control is not particularly ideal, after severe fluctuations in blood pressure can cause damage to the vascular endothelium, causing cerebrovascular stenosis, in addition, hyperlipidemia and diabetes can lead to cerebrovascular stenosis, so there are many reasons that can lead to cerebrovascular stenosis, requiring close observation and attention.