Research tries to ease chronic pain

Nearly one third of Americans suffer from it, and as a nation we spend about $100 billion annually trying to get relief from it, says Daniela Salvemini, associate professor of pharmacological and physiological science at St. Louis University.
Salvemini has been studying pain for some time and her research, several years ago, led to the discovery that the production of a certain molecule plays an important role in the development of pain and inflammation. It’s called peroxynitrite, and it’s created when the body experiences all types of pain including acute inflammatory pain, arthritic pain and pain from nerve injury. Peroxynitrite is also produced, in the brain and spine, with prolonged use of opiates such as morphine.

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