Here is one study on pain from Dr. Zubieta:
http://www.med.umich.edu/opm/newspage/2006/dopamine.htm
If you Google Dr. Zubieta...you find many pain articles about this subject.
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All truths are easy to understand once they are discovered; the point is to discover them.-- Galileo Galilei
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Weezie looking at petunias 8.25.2017
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