Penis amputation and self-castration from marijuana-induced psychosis: Really?

In February, I covered a case report about a transsexual woman who castrated herself when her insurance company wouldn’t pay for the procedure. Today, I have a sort of follow-up, about two self-mutilation cases that doctors are ascribing to a completely different reason: Pot-induced psychosis.

In one case, titled “A case of self amputation of penis by cannabis induced psychosis,” a group of doctors at Aligarh Muslim University in India

…present a case of a 35-year-old male who self mutilated his penis due to dependence on cannabis for the past few years that led to a condition called cannabis induced psychosis.

Here’s the authors’ evidence for why marijuana was to blame: