อาการแบบนี้เกิดจากอะไร

 https://www.pobpad.com/%E0%B8%96%E0%B8%B2%E0%B8%A1/%E0%B8%AB%E0%B8%B1%E0%B8%A7%E0%B8%82%E0%B9%89%E0%B8%AD/%E0%B8%AD%E0%B8%B2%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%81%E0%B8%9A%E0%B8%9A%E0%B8%99%E0%B8%B5%E0%B9%89%E0%B9%80%E0%B8%81%E0%B8%B4%E0%B8%94%E0%B8%88%E0%B8%B2%E0%B8%81%E0%B8%AD%E0%B8%B0%E0%B9%84%E0%B8%A3-8