This article is from the Scientific Skepticism FAQ, by Paul Johnson Paul@treetop.demon.co.uk with numerous contributions by others.
Psychic surgeons have claimed to be able to make magical incisions,
remove cancers and perform other miracles. To date, no investigation
of a psychic surgeon has ever found real paranormal ability. Instead
they have found one of two things:
1: Simple conjuring tricks. The "surgeons" in these cases are
confidence tricksters who prey on the desperate and the foolish.
2: Delusions of grandeur. These people are even more dangerous than
the first category, as their treatments may actually cause harm in
addition to whatever was wrong with the patient in the first
place.
 
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