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CNN双语新闻(翻译+字幕+讲解):研究发现摄入过多咖啡因会增加引发偏头痛的几率

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Caffeine works by stimulating the central nervous system. It's been called the most widely-consumed drug in the world. But if you're among the 14 percent of Americans who suffer from migraines, a new study out of Harvard University says you should avoid having too much caffeine. So how much is too much? Well researchers found that among people who suffered from severe headaches from time to time, figure between 1 and 3 per week — drinking one or two caffeinated drinks a day did not seem to have much of an effect on their migraines.

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过多的咖啡因会增加引发偏头痛的几率.jpg
But people who said they had three or more caffeinated drinks, like coffee, were more likely to get migraines on the days they drank that much. The study relied on people to report their own diets and it didn't detail how much caffeine was in each drink they consumed. A large cup of coffee, for instance, would have more caffeine than a small cup of tea. But the study's author called it an important first step in figuring out where the line is between caffeine consumption and getting migraines.

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重点单词   查看全部解释    
figure ['figə]

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n. 图形,数字,形状; 人物,外形,体型
v

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severe [si'viə]

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adj. 剧烈的,严重的,严峻的,严厉的,严格的

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depression [di'preʃən]

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n. 沮丧,萧条

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subpoena [səb'pi:nə]

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n. 传票 vt. 传审,传讯

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advanced [əd'vɑ:nst]

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adj. 高级的,先进的

 
caffeine ['kæfi:n]

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n. 咖啡因

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avoid [ə'vɔid]

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vt. 避免,逃避

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stimulating

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adj. 刺激的,令人兴奋的 动词stimulate的现

 


关键字: CNN 讲解 咖啡因 偏头痛

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