It is believed to restore the flow of qi the life force.
So, like other ancient Chinese medical secrets, it's just assumed to work, whether or not there's an atom of evidence that this "qi" exists or that giant hickeys can redirect it.
Besides, I'm a bloodletting man, and always will be.
22 posted on 08/12/2016 6:31:44 AM PDT by RansomOttawa
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