Four-Letter Words May Be Effective Painkillers

Stubbed your toe? Burned your hand on a hot pot? Go ahead and curse. It might make you feel better. Swearing increased pain tolerance in a small study of college students published online Sunday in the journal NeuroReport. It also increased heart rate and decreased perceived pain -- signs of a "fight-or-flight" response that may help mitigate actual pain, according to Richard Stephens of Keele University in Staffordshire, U.K. "If people experience the emotion of fear to a significant degree...Full Story
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