恼人的偏头痛(2/2)
概述：除了偏头痛，还有很多人也深受紧张性头痛之苦。Hints:
biofeedback
migraine
Mayo Clinic
校对：lexie0406
翻译&注解：Vera-M
组长：风动静泉
答疑：艾晴墨
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本期材料发音模仿地址：http://bulo.hujiang.com/menu/11885/item/781665/
http://t1.g.hjfile.cn/listen/201306/201306180415377502093.mp3The clinic says another method, biofeedback, is especially effective for migraine. In biofeedback, patients use special equipment to learn how to observe and control physical reactions linked to stress. Some people get help from massage, systematic rubbing of the body. Others use herbs, minerals or vitamins.
More people suffer tension headaches than migraines. But most tension headaches are not as powerful. Events that start tension headaches may include emotional pressure and the deeper-than-normal sadness called depression. Other tension headaches can start from something as simple as feeling tired. Common changes in atmospheric conditions also can be responsible.
The Mayo Clinic says you may feel a tension headache as tightness in the skin around your eyes. Or, you may feel pressure around your head. Episodic tension headaches strike from time to time. Chronic tension headaches happen more often. A tension headache can last from a half hour to a whole week.
The Mayo Clinic says the pain may come very early in the day. Other signs can include pain in the neck or the lower part of the head. Scientists are not sure what causes tension headaches. For years, researchers blamed muscle tension from tightening in the face, neck and the skin on top of the head. They believed emotional tension caused these movements. But that belief has been disputed.梅奥医学中心还表示生物反馈疗法对于治疗偏头痛也尤为有效。在生物反馈疗法中，患者使用特殊仪器学习如何观察和控制与压力有关的生理反应。一些患者从系统的身体按摩疗法中获得帮助，另一些患者则求助于药草、矿物质和维他命。
较之偏头痛，更多人饱受紧张性头痛之苦。不过，大多数紧张性头痛不如偏头痛那样强烈。导致紧张性头痛的原因包括情绪压力，以及比正常悲伤情绪更深的抑郁，有时却仅仅因为疲倦，甚至大气状况的正常变化都会对之有所影响。
梅奥医学中心称，紧张性头痛伴随有眼周皮肤紧绷感及头部重压感。其中短暂紧张性头痛间歇发作，而慢性紧张性头痛发作更为频繁。紧张性头痛发作一次可以持续半小时到一周的时间。
梅奥医学中心还称，头痛可于晨间发作。其他临床表现为颈、枕部的疼痛。科学家还不确定引起紧张性头痛的具体原因。多年来，研究人员认为肌肉收缩紧张造成面、颈和头顶皮肤的紧绷感及情绪紧张是引起这些收缩的原因。不过这些说法也存在争议。
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