The fields of work of health psychology include

Health psychology is a subject that studies how psychological factors affect human health and diseases. Its work field covers the following aspects: 1. Disease prevention and health promotion: Health psychology is devoted to studying how people can positively influence their health by changing their behaviors, adjusting their emotions and managing stress. It explores strategies to prevent diseases, such as providing health education, making behavioral intervention plans and cultivating healthy habits. 2. Lifestyle and health: Health psychology studies the influence of people's lifestyle on physical and mental health. It pays attention to sleep, diet, exercise and other factors, and explores how to improve health through behavior change and psychological intervention. 3. Disease management and rehabilitation: For individuals who are already ill, health psychology provides support and intervention to help them cope with the physical and psychological challenges brought by the disease. It focuses on chronic disease management, pain management, rehabilitation and improvement of quality of life. 4. Psychosocial factors and health: Health psychology studies the influence of interpersonal relationship, social support, culture and environment on health. This paper discusses how social factors shape people's health concepts and behaviors, and analyzes the influence of social differences on health.