4/23/2014

A study of more than 2,700 people taking opioid drugs for chronic pain identified four genes that may help shed light on why people have different pain tolerances. Two of the genes were more prominent among patients who reported moderate pain, one gene was more common in the low-pain group, and one was more common in the high-pain group. "Finding genes that maybe play a role in pain perception could provide a target for developing new therapies and help physicians better understand their patients' perceptions of pain," said study author Dr. Tobore Onojjighofia.

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