三十岁的小李是某工厂的女工,平素性格开朗,热情大方,进厂工作十余年从未生过病,工作积极肯干,多次获奖。从1991年6月以来,无明显原因地感觉头痛、四肢关节酸痛,遇到人多嘈杂的场面倍感胸闷、头痛难忍,偶有失眠,情绪低落,工作能力下降。两个多月跑遍多家大医院,经过各种医疗诊断,均未发现异常,只好按“神经性头痛”、 Three-year-old Li is a factory workers, usually cheerful, generous, more than ten years into the plant has never been sick, work hard to do, many awards. From June 1991, no obvious reason to feel headache, limbs and joints pain, encountered many people noisy scenes feel chest tightness, headache, unwell, occasional insomnia, depression, work ability decline. More than two months traveled to many major hospitals, after a variety of medical diagnostics, were found no abnormalities, had to press “neurological headache”