Therapy abuse is rampant. I have been reading the material that the Scientologists have amassed at their psychcrime website. There is a database of 692 crimes committed by therapists there.
Apparently, around 10% of psychiatrists admit to sexually abusing their patients, and this equates to 15,000 rapes (4,500 in the US alone).
In one of the graphs: Number of Mental Health Practitioners Jai
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Clergy and Therapy Abuse