effect in modern medicine, so doctors have more to offer than just another pill?
Shaman rituals have nothing at all to do with a placebo effect. If pretending to get into something gets you off, fine. That is far from their purpose and selling far short their ability to produce whatever change is expected.
I was thinking of Shamans in terms of "medicine men". AKA "witch doctors".
Sure, it's been done....;-D...
http://www.theonion.com/article/fda-approves-sale-of-prescription-placebo-1606
Common sense, research and an open mind.