科学研究表明，大家一出生就会微笑。不经意间露出笑容时，大家在想些什么？虽然刚出生时还没复杂的意识，但一个浅浅的微笑，仿佛已将大家和世间美好联系在一块。
在这个万物欣欣向荣的日子里，大家迎来了叫人心情倍儿棒的世界微笑日（World Smile Day）。世界微笑日由世界精神卫生网盟（World Federation for Mental Health）确立于1948年，它是唯一一个庆祝人类行为表情的节日。世界精神卫生网盟期望通过鼓励微笑来促进人类身心健康，同时在人与人之间传递愉悦与友善，增进社会和谐。
微笑是无声的问候，它能拉近彼此心灵的距离。可能握手、拥抱和鞠躬对于不同文化背景下的人有着不一样的含义，但微笑却可以跨越所有文化，给大家带来幸福和美好的感觉。你有想过微笑会给大家的身心带来什么变化吗？为什么有时身边的人一笑你的心情也会跟着变好呢？今天大家就来一块探索微笑的秘密吧！
Babies are born with the ability to smile.
婴儿天生就有微笑的能力。
Babies learn a lot of behaviors and sounds from watching the people around them, but scientists believe that all babies are born with the ability, since even blind babies smile.
婴儿会通过察看周围的人来学习各种行为和声音，但科学家们觉得所有婴儿天生就有微笑的能力，由于即便是失明的婴儿也会微笑。
Babies smile in sleep, from birth, but it takes around four to six weeks, before they start smiling when they are awake.
婴儿从出生开始就会在睡梦中微笑，但需要大约4到6周的时间才会开始在醒着的时候微笑。
Smiling releases endorphins and relieves stress.
微笑可以释放内啡肽，缓解重压。
Feeling stressed out and over-loaded? Try smiling. According to recent studies, smiling has the power to reduce stress and increase our ability to deal with trying situations. this is largely owing to the fact that smiling boosts endorphin output and forces us to breathe deeper, resulting in a calmer outlook and increased coping ability.
感到重压太大、负担过重吗？试着微笑吧！最新研究表明，微笑具备减轻重压和提高大家处置困难的能力有哪些用途。这在非常大程度上是由于微笑可以增加内啡肽的分泌，迫使大家深呼吸，从而使大家愈加平静，应付能力更强。
When you smile, even when you force it, your body releases the feel good hormones and endorphins, which will put you in a much better mood and relieve stress.
当你微笑的时候，即便你是在强迫自己微笑，你的身体也会释放叫你“感觉好”的荷尔蒙和内啡肽，这会叫你心情更好，也能缓解重压。
Smiling boosts the immune system.
微笑可以增强免疫系统。
Smiling really can improve your physical health. Your body is more relaxed when you smile, which contributes to good health and a stronger immune system.
微笑确实可以改变你的身体健康。当你微笑时，身领会更放松，这能够帮助维持身体健康和增强免疫系统。
In addition to making you look more attractive, successful and approachable, smiling may also protect you from the common cold. According to recent data, smiling can help boost the immune system by decreasing stress levels, which in turn increases white blood cell count and releases beneficial antibodies that help fight infection and disease.
微笑不只能叫你看着更有吸引力、更成功、更平易近人，还能叫你免受感冒的困扰。依据最新数据，微笑可以通过缓解重压来增强免疫系统，增加白细胞数目，释放有益抗体，帮你对抗各类感染和疾病。
Smiling is contagious.
微笑是会传染的。
It is rare to smile when reading a funny passage from a book on our own, but when that same passage is read out loud to us, or even if other people are in the room, most people are likely to smile then. have you ever been around someone who seemed to be smiling all the time? Chances are, you found yourself smiling as well. This is because smiling is incredibly contagious. Research suggests that happy people influence the people closest to them and provide a boost of good energy. So, next time youre feeling down, seek out your happiest friend and let the smiles begin.
当大家一个人读到书中有趣的段落时极少会笑，但假如有人对大家大声朗读相同的段落，或者有别的人也在房间里，大部分人可能都会笑出来。你周围是不是有一直面带微笑的人？你非常或许会发现自己也在微笑。这是由于微笑具备不可思议的传染性。研究表明，开心的人会干扰最亲近的人，给他们带来满满的活力。所以，下次当你情绪低落的时候，找一个最开心的朋友一块微笑吧。
According to science, neurons in the brain have a synchronizing feature that keeps you in sync with people youre talking to. If they smile, youll smile. In a study that was conducted in Sweden, researchers found that people found it really difficult to frown, when they were looking at other people who were smiling and they couldnt help smiling themselves.
据科学研究，大脑中的神经元有同步功能，可以叫你与你的谈话对象维持同步。假如他们微笑，你也会微笑。在瑞典进行的一项研究中，研究职员发现，当大家看到别的人在微笑时，他们非常难皱起眉头，并且自己也会忍不住要笑。
Women smile more often than men.
女人比男士更常微笑。
Studies have found that women smile more often than men but the difference disappears when men and women occupy similar social or business roles. many scientists interpret these results to indicate that gender roles are fluid and that both men and women act differently depending upon their social or business environment.
研究发现，女人比男士更常微笑，但当他们担任一样的社会或商业角色时，这种差异就消失了。不少科学家将如此的结果讲解为性别角色是可变的，男士和女人的行为取决于他们所在的社会或商业环境。
* 社会文化模型中性别角色（Gender Roles）是一个非常重要的定义，性别角色指一个特定社会中被觉得适合的男士和女人的行为模式，这类模式表现出最基本的男士和女人差异。
Boy babies, though, do smile less than girl babies, who also make more eye contact.
然而，男宝宝比女宝宝笑得少，女宝宝也会有更多的眼神交流。
看完这篇文章，是否没想到微笑背后居然有这么多秘密？在这个特别的日子里，让大家对身边的人露出最真诚的微笑吧！
