Body dysmorphia

Nature 
Body dysmorphia is a condition in which people crave the removal of limbs.
Incidence 
In 1999, two men pleaded successfully with a Scottish surgeon to have their lower legs amputated. A quack doctor in the USA was indicted for murder after carrying out leg amputations on healthy men, who both died of gangrene.
Claim 
Suicidal urges have been reduced in those who have the surgery performed.
Reduces 
Type 
(G) Very specific problems