This book offers a conceptual evaluation from the perspective of health sciences on breastfeeding, nutrition, and paternalism. The first section focuses on breastfeeding practice, discussing the dynamic composition of breast milk, cultural beliefs, and traditional practices affecting the breastfeeding process. It elaborates on the clinical importance of breastfeeding, individual perceptions, cultural differences, and intergenerational knowledge transfer. The second section explores the historical evolution of nutrition and dietetics, tracing the understanding of nutrition from ancient times through the Middle Ages, Renaissance, and modern periods, highlighting its cultural, medical, and social dimensions. The third section centers on paternalistic approaches within medical ethics, providing a detailed analysis of the definition, history, types, and ethical issues of paternalism. It discusses the impact of paternalism on doctor-patient relationships, conflicts with the principle of autonomy in contemporary medical ethics, and different application forms according to paternalism types. Integrating individual, societal, and ethical perspectives, the book contributes to a multidisciplinary approach to breastfeeding, nutrition, and paternalism in health.