Via Top Health News -- ScienceDaily
Scientists have discovered why pain from the head and face can be more disruptive, and more emotionally draining, than pain elsewhere in the body. The team found that sensory neurons from the head and face are wired directly into one of the brain's principal emotional signaling hubs, while sensory neurons from the body are connected only indirectly. The results may pave the way toward more effective treatments for chronic head pain.
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