Causes of stroke

รู้จัก Stroke "เส้นเลือดในสมองตีบ" ที่มนุษย์บ้างานยุคใหม่ชอบเป็น!! - Wongnai

You may think strokes only happen to the elderly but experts say you are never too young for a stroke. There are 3 main causes as below.

  1. Atherosclerosis About 80% of strokes are caused by atherosclerosis, the same process of narrowing and hardening of the arteries that causes heart attacks. Risk factors are age, high blood pressure, diabetes, hyperlipidemia, smoking, alcoholic drinking, vascular diseases, and obesity. Snoring in people who are overweight is a risk factor for a stroke, as it can reduce the amount of oxygen that reaches the brain.
  2. Embolic stroke When a blood clot that forms in a different region of the body travels to the brain’s blood vessels, where it becomes too large to pass through. Risk factors are atrial fibrillation, valvular heart disease, myocardial infarction, and cardiac hypertrophy. Stroke in young people are found in those who play extreme sports/activities e.g. bungee jumping. Other risk factor is post-partum women who take oral contraceptive pills.
  3. Hemorrhagic stroke About 20% of strokes are hemorrhagic strokes. Hemorrhagic stroke occurs when a blood vessel in your brain leaks or ruptures. Brain hemorrhages can result from many conditions that affect your blood vessels. The important risk factor is high blood pressure.

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