These may include conditions such as the following abnormalities in the blood vessels of the brain, atherosclerosis, or hardening of the arteries supplying the
brain, bleeding into the
brain, such as a subarachnoid hemorrhage ,
brain tumors, chromosomal
abnormalities, congenital diseases or conditions, high blood pressure, pregnancy and problems associated with pregnancy, stroke, transient ischemic attack, which is also called a mini-stroke.