The Pain Puzzle: Uncovering How Morphine Increases Pain in Some People, Universit√© Laval Study  
1/7/2013 7:59:13 AM

For individuals with agonizing pain, it is a cruel blow when the gold-standard medication actually causes more pain. Adults and children whose pain gets worse when treated with morphine may be closer to a solution, based on research published in the January 6 on-line edition of Nature Neuroscience.