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ischemic and hemorrhagic. Ischemic strokes account for approximately 87% of all stroke cases and are typically caused by a blockage in a blood vessel supplying the brain. This blockage can arise from a variety of mechanisms, including thrombosis, where a blood clot forms in an artery supplying blood to the brain, or embolism, where a clot or debris from another part of the body travels to the brain. Several risk factors contribute to the incidence of cerebral infarction. These factors can be classified as modifiable and non-modifiable. Non-modifiable risk factors include age, gender, race, and family history of stroke. Individuals aged 55 years and older are at a significantly increased risk, and men generally have a higher incidence than women. Certain racial groups, particularly African Americans, have a higher prevalence of cerebrovascular disease. On the other hand, modifiable risk factors include hypertension, diabetes, hyperlipidemia, smoking, obesity, physical ina¡¦(»ý·«)
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