Mental health is a state of emotional, psychological, and social wellbeing that influences how people think, feel, behave, cope with stress, build relationships, and make decisions. Good mental health supports resilience, healthy functioning, and overall quality of life, while mental health challenges can affect anyone regardless of age, background, or circumstances. Discover the complete mental health guide with expert-backed insights, self-care tips, treatment options, prevention strategies, and educational infographics for lifelong mental wellbeing.  📖 Reading Time: Approximately 30–35 Minutes 📅 Last Updated: August 2026 🩺 Medically Reviewed: This flagship guide is reviewed regularly to reflect current evidence, recognised clinical guidance, and MentalHealthNest editorial standards. 🎯 Best For: Adults, caregivers, students, educators, employers, healthcare advocates, and anyone seeking trustworthy mental health information. TABLE OF CONTENTS 1. What Is Mental Health? 2. Why ...