头痛症是全世界最常见的医学病症之一。根据世界卫生组织(World Health Organization)的数据,在全球范围内,每10名成年人中就有1人以上身受可能让人无法正常行动的偏头痛之苦。世卫组织说,国际研究发现,在过去的一年里,有50%-75%的成年人声称发生过头痛。全球人口中有4%的人每月有一半或者一半以上的日子里会发生头痛。
There isn't such a thing as a 'regular' headache, but rather more than 300 types, says David Dodick, a professor of neurology at the Mayo Clinic's branch in Phoenix and chairman of the American Migraine Foundation. People having migraines usually experience intense pain, sensitivity to light, dizziness and sometimes nausea and visual and sensory symptoms called auras. Two other major types of headaches are caused by tension or medication overuse.
美国梅约诊所(Mayo Clinic)凤凰城分所神经学教授、美国偏头痛基金会(American Migraine Foundation)主席大卫•多迪克(David Dodick)说,头痛没有一种“常规”病症,而是有300多种类型他也是。患偏头痛的人通常会感受到剧痛、对光线敏感、头晕,有时会感到恶心,还会有一些被称为先兆的视觉和知觉症状。另外两大类头痛的成因是紧张或药物使用过度。
Nonsteroidal anti-inflammatory painkillers such as ibuprofen work for some migraine sufferers. But the class of migraine medicines that hit the market in the 1990s called triptans remain the best or only treatment option for many patients. Nevertheless, about half of sufferers don't respond to them or can't take them because of other health reasons.
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