睡眠不足影响疫苗反应_SSS听抄

睡眠不足影响疫苗反应

时间：2016-03-24 11:42:41 / 编辑：Abby

　　You've probably noticed you're more likely to catch acold if you pull a lot of all-nighters. But lack of sleepcan also compromise your immune system'sresponse to vaccines. And in some cases, make theshots useless. So says a study in the journal Sleep.

　　你可能会意识到这种情况：如果你经常熬夜的话，会更容易患上感冒。睡眠不足会损害免疫系统对疫苗的反应。而且在某些情况下，使打针失去应有的效果。上述研究发表在《睡眠》期刊。

　　Researchers gave 125 healthy, middle-aged men andwomen the Hepatitis B vaccine—a three-partvaccine given at one, two and six months. And during that time, volunteers tracked their sleephabits.

　　研究人员让125名中年男女注射了乙肝疫苗，这种疫苗全程共接种3针，按照1,2,6个月程序。在此期间，让志愿者们记录自己的睡眠习惯。

　　Six months after the final booster, researchers took blood samples to see if the patients hadrallied sufficient numbers of antibodies against Hep-B. Eighteen patients had not—the vaccinehad failed. Turns out the vaccine was almost 12 times as likely to fail in volunteers whoregularly slept fewer than six hours a night compared to those who snoozed more than seven.

　　打完最后一针疫苗的六个月后，研究人员采集血液样本，看病人是否有足够数量的抗体来对抗乙肝。18名病人没有足够数量的抗体，免疫失败。事实证明，与那些酣睡7个多小时的病人相比，睡眠时间长期少于6小时的病人免疫失败的概率是前者的12倍。

　　Makes sense, because previous studies have shown that sleep deprivation cuts numbers of Band T cells—which coordinate the immune system's attack on bad guys. So remember,vaccines aren't magic. You still need a good night's sleep to give 'em a fair shot.

　　这在情理之中，因为之前的研究证明睡眠不足会减少B细胞和T细胞的数量，而这些细胞与免疫系统合作共同抵御疾病入侵。因此记住，疫苗不是万能的。你仍然需要高质量的睡眠，好给疫苗一次公平的机会。

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