Tetranecro [creativecommons license] via Wikimedia Commons
In the US alone, almost 50 million people suffer from chronic pain. Treatment options are largely limited to opioids (like morphine) or nonsteroidal anti-inflammatory drugs (like aspirin), which carry risks of addiction, dependency or organ damage. But the recent elucidation of a new pain pathway may lead to the development of new treatment options.
Lab Anim. (NY) 39, 161 (2010).
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