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Have you ever been in so much pain that it caused you to shout a string of choice words that would make your mother cringe? According to a recent study, it's less about being rude and more about easing the pain.

Researchers at Keele University in the UK have found that swearing can have a painkilling power, especially for people that don't regularly curse. Their findings showed that volunteers were able to tolerate pain longer when they were swearing than when they were uttering something harmless. The researchers believe that since swearing is an act of aggression, this triggers your fight-or-flight instincts which thus increases your tolerance to pain.

But of course, this doesn't necessarily mean we're green lighting you to go around talking like Christian Bale: