This document provides information about mental health first aid. It discusses the importance of preserving life when someone may be a danger to themselves or others, preventing mental health problems from worsening, and promoting recovery. Common mental disorders include depression, anxiety, psychosis, substance use disorders, and personality disorders. Basic principles of mental health first aid include assessing risk, listening non-judgmentally, providing reassurance and encouraging professional help. The document also discusses specific disorders like depression, bipolar disorder, anxiety, psychosis, and substance use disorder as well as how to help someone experiencing these issues.