Published in Medical Letter on the CDC and FDA, August 27th, 2006
According to a study from the United States, "Pain increases the rate, frequency, or intensity of some behaviors (e.g., withdrawal responses) and suppresses other behaviors (e.g., feeding). Our laboratories are developing assays to test analgesic drug candidates using measurements of pain-suppressed rather than pain-elicited behaviors. Such assays may model important aspects of clinical pain and provide a means for distinguishing true analgesics from drugs that produce motor impairment."
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