This document summarizes key aspects of hoarding syndrome. It discusses that hoarding is keeping worthless junk due to being afraid to part with items. Causes include losing a loved one and not being able to discard their items, growing up in a hoarding environment, and having OCD. Signs are living in a cluttered lifestyle, difficulty discarding or organizing items, and little social interaction. Risks include fire hazards, an unhealthy environment, and inability to do tasks. Diagnosis involves evaluation and questions about home clutter. Treatment involves professional help cleaning and therapy to address underlying causes.