(NEWSER– A unique case out of Turkey: Doctors say they have treated a man with multiple personalities who was addicted to drinking blood—sort of a vampire,LiveScience reports. They caught on to the 23-year-old after he was arrested for biting and stabbing people in an effort to collect blood. He also had his father bring him bags of blood from a blood bank, according to the study inJournal of Psychotherapy and Psychosomatics. Doctors have traced the man's behavior to traumas dating back to his childhood.

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