虽然这个猜想最早在100多年前就提出了,不过不久前曾有人认为指关节发出响声是因为气泡破裂。
Previous studies have shown that between 25 and 54 per cent of us crack our knuckles – with men doing it more than women.
先前的研究显示,25%到54%的人掰指关节,掰指关节的男性比女性多。
And despite the common wisdom that the habit raises the risk of arthritis, previous studies have failed to prove this.
尽管所谓的普世真理认为这个习惯会增加患关节炎的风险,但是过去的研究并未证明这一点。
One comparison of Los Angeles nursing home residents found those who had regularly cracked their knuckles were actually less likely to have damaged joints.
对洛杉矶私人疗养院居民的比较研究发现,那些经常掰指关节的人关节比较不容易受到损伤。
The US researchers behind that study concluded: ‘The chief morbid consequence of knuckle cracking would appear to be its annoying effect on the observer.’
这项研究的美国研究员总结道:“掰指关节的主要不良后果在于,关节的响声会让周围的人感到不舒服。
Vocabulary
sets teeth on edge: 让人心烦,让人不舒服
arthritis: 关节炎
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