The chapter examines the interconnection between health, wellness, and society, emphasizing their roles in individual and community well-being. It highlights the multidimensional aspects of health, various determinants, and the importance of healthy lifestyles, health promotion, and disease prevention. Additionally, it addresses the concept of healthy communities and digital health within the framework of Sustainable Development Goal 3, underscoring the shared responsibility of maintaining health among individuals, families, communities, health professionals, and governments.