This reflective essay explores the connection between nursing and sociology, particularly focusing on the impact of social determinants of health on patient care. The author reflects on a clinical experience where a patient's obesity and related health issues were influenced by factors such as financial difficulties, lack of education, and addiction. The essay highlights the importance of addressing these social determinants in addition to biological factors for comprehensive patient care. The author acknowledges initial shortcomings in diagnosis and treatment but emphasizes learning from the experience and adopting a biopsychosocial model for future practice, integrating social, psychological, and biological aspects of patient well-being. The essay concludes with a commitment to further learning and collaboration with senior nurses to enhance knowledge and skills in this area.