Intense romantic love can significantly reduce the perception of pain, apart from giving the love-stricken individual a feeling of well-being and euphoria, researchers report in an article published in PLoS One. When volunteers were exposed to moderate heat pain, self-reporting and neuroimaging revealed that their feelings of pain were significantly reduced when they were shown pictures of the person they were passionately in love with. The authors say that feelings of intense, romantic love appear to block physical pain in a similar way to morphine or cocaine...
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