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美国,有三年的教学经验,目前在海淀世纪城

 

怎样才能不感冒? (双语)读美文学英语长知识

A Good Night's Sleep Helps Your Body Fight A Cold
一夜好睡眠,感冒不沾边
Once again, science supports what your grandmother told you: A good night'
s sleep helps your body fight a cold.
科学的调查再一次证实了老祖母给予你的忠告的正确性:一夜好睡眠,感冒不
沾边。

People who averaged fewer than seven hours of sleep per night in the weeks
before being exposed to the cold virus were nearly three times as likely to get sick
as those who averaged eight hours or more, a new study found.

一项新的研究发现,那些在接触感冒病毒前的一周内,平均每晚睡眠时间低于
7小时的人的患病概率几乎是那些不少于8小时睡眠的人的3倍。

Researchers used frequent telephone interviews to track the sleep habits of
more than 150 men and women aged 21 to 55 over the course of a few weeks.
Then they exposed the subjects to the virus, quarantined them for five days and
kept track of who got sick.
研究人员利用经常性的电话访问追踪了150多名21~55岁年龄段的人(男女都
有)在几周内的睡眠习惯。然后他们让这些研究对象接触感冒病毒,隔离5天后,再
查看哪些人患上了感冒。

Besides sleeping more, sleeping better also seemed to help the body fight
illness: Patients who fared better on a measure known as "sleep efficiency" -- the
percentage of time in bed that you're actually sleeping were also less likely to
get sick.
除了延长睡眠时间外,提高睡眠质量看起来对抵抗人体疾病也有帮助。那些在
“睡眠效率”——指的是睡下后实际“睡着”的时间在睡眠时间中所占的百分比——
测度中表现较好的病人患病的概率也较低。

The results held true even after researchers adjusted for variables such as
body-mass index, age, sex, smoking and pre-existing antibodies to the virus.

即使是在研究人员将诸如身高体重指数(BMI)、年龄、性别、是否吸烟,以及是
否早有抗体等变数考虑进来,并进行调整之后,这个结论仍然成立。

Like your grandmother, the researchers aren't exactly sure why sleeping
better makes you less likely to develop a cold. But they do take a stab at the
answer: "Sleep disturbance influences the regulation of proinflammatory
cytokines, histamines, and other symptom mediators that are released in response
to infection." In plain English, maybe tossing and turning when you're infected with
the cold virus contributes to the symptoms that define a cold.

和那些老祖母们一样,研究人员也不能十分确信是什么原因使得睡得好能降
低患感冒的概率。不过他们也尝试回答这个问题:睡眠不良会影响人体对促炎细胞
因子、组胺和其他为应对病毒感染而释放的症状调节因子的调节。通俗点说,染上
感冒病毒后睡觉时的辗转反侧可能就是你出现了感冒症状。

 

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