This document discusses mental hygiene, mental health, and strategies for promoting mental health. It defines mental hygiene as measures to reduce mental illness through prevention and early treatment. Mental health is defined as a state of balance and harmony between oneself and others. The document outlines concepts of mental hygiene including prevention, preservation, curative measures, and balanced personality development. It describes characteristics of mentally healthy individuals and warning signs of poor mental health. Finally, it discusses strategies for primary and secondary prevention of mental illness through strengthening individuals, families, and communities.