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(A)Endorphins not only make us feel better, but reduce pain as well.
(B)Studies show that smiling reduces stress and stress-related hormones.
(C)We can even get the benefits of smiling just by making ourselves smile.
(D)In other words, we smile because something happens that makes us happy.

Research shows that smiling has many positive effects on our health. 

研究顯示，微笑對我們的健康有很多正面的影響。

This might explain why the people in the studies with bigger smiles had longer lives. 

這也許解釋了在研究中為什麼有更多笑容的人擁有更長的生命

Studies show that smiling reduces stress and stress-related hormones. 

研究顯示，微笑減輕了壓力以及和壓力相關的激素

 It also lowers blood pressure. 

還可以降血壓

Smiling can affect the brain in the same way as exercise. 

微笑可以和運動一樣以相同的方式影響大腦

For example, it increases the amount of feel-good hormones such as serotonin and endorphins. 

舉例來說，他能增進感覺良好的激素，如血清素以及腦內啡

Endorphins not only make us feel better, but reduce pain as well. 

腦內啡不只可以使我們感覺更好，還能夠減輕疼痛

Furthermore, recent brain research shows that just the act of smiling can actually make us happier. 

此外，近來對大腦的研究顯示，只是微笑的動作，也能夠使我們更高興

In other words, we smile because something happens that makes us happy.

換句話說，我們微笑，是因為有些事情讓我們開心

But then, our smiles send a message back to the brain that makes us feel even happier. 

但同時，微笑的行為會傳遞訊息回大腦，讓我們感到更高興

Smiling is clearly good for us. 

微笑顯然對我們有好處。

We can even get the benefits of smiling just by making ourselves smile. 

我們甚至可以透過使自己微笑的動作就獲得微笑的好處

It is easy to see that smiling is much more than just an expression of happiness. It’s a powerful tool for maintaining both emotional and physical health.

顯然，微笑不僅僅是高興的表徵，更是維持情緒與生理健康的強大工具