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Heart surgery and your body clock 心脏手术和人体生物钟之间的联系 本集内容 Heart surgery and your body clock 心脏手术和人体生物钟之间的联系 学习要点 有关“Health 健康”的词汇 边看边答 According to this study, at what time of day is there less risk to your health if you are going to have medical surgery? There’s a biological clock keeping time inside all of us. It's the reason we want to sleep at night, but it also drives huge changes in the way our body works including in our heart muscle. This is lifesaving open-heart surgery. The operation puts the heart under huge stress and the study in Lille in France suggests the body clock also influences our recovery. The study on five hundred patients showed the risk of complications, including heart attacks, halved from 18 percent in morning operations to just nine percent in the afternoon. The researchers said patients should not be frightened away from vital surgery. They want to do more studies, but think high-risk patients might benefit from being moved to the afternoon. This study shows the potential of doing medicine in time with the body clock and the researchers are now investigating other types of surgery. 每个人体内都有一个准时的生物钟。这个生理时钟正是我们一到晚上就想睡觉的原因，但它还会导致包括心肌等各身体部位的运作方式发生巨大的改变。 | 
