Psychologist Richard Stephens wondered if using curse words truly helped people reduce physical pain.To test the theory, he asked more than 60 college students to take part in an experiment.

　　The students were asked to write down five words they might say after injuring their finger.One of the words was chosen as their swear word.The students were also asked to choose five words they might use to describe another object: a table.These words were their control words.

　　The students were then asked to hold their hand in freezing water for as long as they could.While holding their hand underwater, they were asked to repeat a swear word.Then they repeated the experiment using their control words instead.

　　The researchers found a link between swearing and an increased ability to deal with pain.When students repeated a swear word, they were able to hold their hand longer in the cold water.They said they experienced less pain when using swear words.

　　The experiment showed that swearing caused people's heart rate to increase, which permits the body to experience or ignore pain better.It also found interesting differences between men and women.The heart rate of both men and women increased.Yet swearing had a greater effect on women.

　　It is unclear to scientists exactly how swearing affects physical reactions to pain.Professor Stephens believes that swearing activates a different part of the brain than normal language.He says more experiments on different kinds of pain are needed to better understand the effect of swearing.

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