But he thinks it doesn't really matter: "isn't the fact that laughter feels good when you do it, isn't that enough?"
不过他认为这其实也并不重要：“当你笑时，笑使你感觉心情好，难道这不是事实吗？难道这还不够吗？”
Many humor texts tell us that laughter is a natural stress reliever because when we laugh, muscle tension melts away.
许多幽默短文告诉我们笑声是天然的减压器，因为在我们大笑时肌肉的紧张感会慢慢消融。
Experts say that laughter increases endorphins, strengthens your immune system, and sends extra oxygen coursing through your veins.
专家声称，大笑可以提高内啡肽水平、强化免疫系统、增加血管中的氧气含量。
People are about 30 times more likely to laugh in the presence of others than alone, reinforcing the idea that laughter is a social phenomenon.
有他人在场时，人们笑的可能是独处时的三十倍，这也强化了笑是社会现象的观念。
It is as well to bear in mind that laughter is a great releaser of tension.
你最好记住大笑是消除紧张情绪的良方。
(laughter) Research shows that laughter can bring a lot of health benefits.
研究表明，笑能够带来许多健康上的好处。
There is also some evidence to suggest that laughter helps to reduce the effect of pain.
还有一些证据表明笑有助于减少疼痛对人体的作用。
Researchers at Oxford University found that laughter can act as an effective pain reliever.
牛津大学的研究发现，大笑可以有效地止痛。
Other tests have shown that laughter appears to be able to reduce the effect of pain on the body.
其他测试表明，笑还能减少人体的疼痛感。
Because a new study shows that laughter can produce the same health benefits as physical exercise.
一项新研究发现笑可以产生与体育锻炼相同的健康效果。
Flick the years of dust, so that laughter and tears, cemented in the minds of a thick crystal amber.
拂去岁月之尘，让欢笑和泪水、爱与哀愁在心中凝成一颗厚重的晶莹琥珀。 祝新年快乐！
Did you know that laughter can lower your heart rate and help maintain normal blood pressure levels?
你知道笑能减缓你的心跳速度并帮助保持正常的血压吗？
These results suggest that laughter stimulates the immune system and ultimately makes you healthier.
这些研究结果表明，大笑可以增强免疫系统，最终让你变得更健康。
In a new study, researchers found that laughter relaxes blood vessels, easing blood flow to the heart.
研究人员在一项新的研究中发现，笑使血管放松，使血液更容易流到心脏。
You only have to look at the primates closest to humans to see that laughter is clearly not unique to us.
你只要看一看和人类最亲近的灵长类动物，就会了解笑不是我们所独有的。
I'm sure that laughter has been selected by evolution as a useful device for promoting social communication.
我想进化肯定选择了笑作为促进社会交往的有用工具。
The findings support the idea that laughter encourages people to make more intimate disclosures to strangers.
这项研究证实，笑声能促使人们对陌生人透露更多隐私。
Thee findings support the idea that laughter encourages people to make more intimate disclosures to strangers.
这项研究证实，笑声能促使人们对陌生人透露更多隐私。
The study also found that laughter increases the heart rate, improves blood circulation, and works muscles all over the body.
该研究还指出，大笑可以提高心率，改善血液循环，活动全身肌肉。
Just as watching someone yawn can induce the behavior in yourself, recent evidence suggests that laughter is a social cue for mimicry.
看到别人打哈欠的时候，你也会想打哈欠。最近的研究显示，笑会造成模仿行为。
'When you laugh with people you show you agree with them,' she said. 'you are showing you like them - if you didn't you would withhold that laughter.'
她说：“你和别人一起笑证明你认同他们，你在向他们表现你的青睐，否则你将会克制你的笑容。”
"No study has shown that laughter produces a direct health benefit," Provine said, largely because it's hard to separate laughter from just good feelings.
“没有研究显示笑能够产生直接的健康效益，”布诺温说，这主要是因为将单纯的笑与单纯的好心情分离开来十分困难。
Because a paper published by the British Medical Journal says that laughter is not always the best medicine, and sometimes, it can actually be harmful.
一篇发表在英国医学杂志上的文章表明，大笑并非治愈良药，有时大笑甚至危害到人们健康。
In the mid-1990s, Dr Berk found that laughter increases the number of natural killer cells in cancer patients. Natural killer cells are the body's way of fighting tumours.
早在上世纪九十年代，伯克博士就发现笑会增加癌症病人天然杀伤细胞(也叫抗癌细胞)的数目，天然杀伤细胞是身体对抗肿瘤的办法。
A new study has revealed that laughter increases altruism towards strangers, a finding which may have important implications for charities and other fundraising bodies.
一项新的研究显示笑声增加人们对陌生人的利他行为，这个发现或给慈善机构和募款组织带来重要的帮助。
We know from research that laughter and joy boost immune functions, especially the production of the natural killer cells that help protect the body from illness and cancer.
研究表明笑声和快乐会提高你的身体免疫力，特别是它们会产生的自然杀伤细胞能使你免受疾病和癌症的侵害。
John Morreall, who is a pioneer of humor research at the college of William and Mary, has found that laughter is a playful response to incongruities - stories that disobey conventional expectations.
约翰·莫利尔是威廉与玛丽学院幽默研究的先驱，他发现，笑声是对违反常规的不协调的故事的一个十分有趣的反映。
She taught me that "Laughter is the best medicine".
她教会我“笑是最好的良药”。
She taught me that "Laughter is the best medicine".
她教会我“笑是最好的良药”。
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