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Light -- not pain-killing drugs -- used to activate brain's opioid receptors -- ScienceDaily

Stashed in: Light, Brain, Neuroscience, Medical, Science, Opioids

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Despite the abuse potential of opioid drugs, they have long been the best option for patients suffering from severe pain. The drugs interact with receptors on brain cells to tamp down the body's pain response. But now, neuroscientists at Washington University School of Medicine in St. Louis have found a way to activate opioid receptors with light.

It's like zapping the pain with a laser. 

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