考研If we adults could indulge in a bit of silliness and giggling, we would reduce the stress hormones in our bodies, increase good hormones like endorphin, improve blood flow to our hearts and ever have a greater chance of fighting off infection.
如果我们成年人能够沉迷于一些愚蠢和傻笑，我们就会减少体内的压力激素，增加内啡肽等有益激素，改善心脏的血流，并且有更大的机会抵御感染。
2016年考研真题（英语二）阅读理解 Section Ⅱ
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