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2019年08月19日 12:54:30    日报  参与评论()人

奉节县治疗蒙古斑价格南岸区激光治疗红血丝价格We most associate yawning with boredom or being sleepy, but new research suggests it can be good for your health—by cooling down your brain. Scientists at Princeton University found a big yawn can regulate the temperature of the brain and prevent over-heating. During winter, Professor Andrew Gallup and his team asked 80 random pedestrians to look at images of people yawning and then recorded whether they yawned in response. They then performed the same trial in the summer. The researchers found that half of the participants yawned in winter while only a quarter yawned in summer. You may think people would tend to cool the brain by yawning more in summer. But according to the theory, yawning cools the brain via a heat exchange with cooler air. This system therefore wouldn't work on a scorching summer's day. Professor Gallup said: "Yawning should be suppressed—in ambient temperatures exceeding body temperature because taking a deep inhalation of air would not promote cooling. He also suggested that this is the first study to show that yawning frequency varies from season to season. It could help explain why humans become confused and disorientated in extreme heat as the brain has limited ways of cooling itself down. The research is published in the journal Frontiers in Evolutionary Neuroscience. 据英国《每日邮报》9月20日报道,人们把多把打哈欠和无聊与瞌睡联系在一起,但一项新研究表明,打哈欠可以给人脑“降温”,有益健康。 普林斯顿大学的科学家发现,打一个大大哈欠可以调节人脑温度,避免人脑过热。 安德鲁#8226;盖洛普教授和他的团队在冬天随机测试了80名路人,让他们看关于人们打哈欠的图像,记录他们是否以打哈欠回应,他们在夏天也做了相同的试验。 研究人员发现,在冬天,一半参与者都会打哈欠,而在夏天打哈欠的受试者只有25%。也许人们会认为,人在夏天时更倾向于给脑子降温,但是,根据该理论,打哈欠得通过和较冷的空气进行热传导才能降低人脑温度。因此,该系统无法在闷热的夏天发挥作用。 盖洛普教授说:“当周围温度超过人体温度时,深吸空气并不能帮助降温,打哈欠也就会受到抑制。” 他还表示,该研究首次表明,打哈欠的频率会根据季节而变化,这能够帮助人们解释人脑降温途径受限时,会变得困惑和茫然的原因。 该研究发表在《进化神经系统前沿》杂志上。 /201110/157089广安祛斑比较好的医院 You get caught up in the busyness of the day-to-day. You say you don’t have enough time.你每天都忙忙碌碌的。你总说时间不够用。Yet, the question isn’t where are you spending your time…But rather, where should you be spending your time?但问题并不在于时间都花哪里去了。你更应该关心的是时间应该花在哪?Often, we think we don’t have a choice about our time. Yet, we always have a choice. Where should you be spending your time?我们总觉得时间对每个人都是公平的,我们无法选择。但实际上我们可以选。应该在哪花更多的时间?Here are 10 Things You Should be Choosing to Spend More Time on…下面你应该花更多时间的10件事1. Your Family1、你的家庭Our family is the reason that we do so many things in life. Work, jobs, and more. Yet ironically, we then neglect the very people that we are working so hard to provide for. If you don’t spend time with your family, you will lose the chance to spend time with them at all. Many people learn this the hard way.我们做的一切、工作,等等这些都是为了一个我们的家庭。然而具有讽刺意味的是,我们经常忽视了这些人,而他们正是我们努力工作的目的。如果不花点时间在家人身上,你会彻底失去和他们一起相处的机会。很多人都有过这样的痛苦教训。2. Taking Care of Yourself2照顾好自己I know many people whose professional lives are very extremely successful, but behind the scenes their personal lives are a disaster. This is a house of cards waiting to fall down. And it eventually does. Take care of your personal business first.我知道很多人的职业生涯极其成功,但光鲜背后他们的个人生活却十分糟糕。他们就像一个摇摇欲坠的纸房子,最终真的就轰然倒塌。先照顾好自己吧。3. Exercising3、锻炼身体Maintaining your physical health is one of the most important things you can do. Your body allows you to do everything else, keep it in the best shape you can. (And yes, you do have time to workout.)保持身体健康是最重要的事情之一。只有身体好,你才能做其他的事情。(而且,你必须得要有锻炼身体的时间。)4. Thinking4、思考When was the last time you just sat and thought? (Very difficult if you have kids…) Quiet thinking time can be magical. It clears our heads and lets us realize what is important to us. Spend some time just thinking. About your goals… where you are… and where you want to go.你上次坐着思考是什么时候?(有了孩子