swearing can relieve pain - but only if you don't curse regularly in everyday life, claim psychologists。
心理学家称，说脏话可以减轻疼痛，然而太过频繁则会过犹不及。
previous studies have shown that letting fly with a few choice expletives can ease pain。
先前的研究表明，偶尔爆几句粗口可以减轻疼痛。
but the bad news is that the pain relief quickly wears off for habitual swearers, according to keele university researchers。
不过基尔大学的研究人员同时表示，对于那些满嘴脏话的人来说，镇痛效果并不明显。
dr richard stephens and claudia umland asked 71 volunteers aged 18 to 46 to assess how frequently they swore, ranging from hardly ever to 40 times a day or more。
理查德 史蒂芬斯博士和克劳迪娅 乌木兰德博士进行了一项调查，他们召集了71名志愿者，年龄从18岁到46岁不等，询问他们平日说脏话的频率，比如很少说脏话，或者一天骂40句甚至更多脏话。
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