Final answer:
Health psychology is a subfield of psychology that investigates the connection between psychological factors and health. It examines the interaction of biological, psychological, and sociocultural factors in influencing health outcomes. Health psychologists conduct research, develop interventions, and promote public policy to improve health.
Step-by-step explanation:
Health psychology is a subfield of psychology that focuses on understanding the relationship between psychological factors and health. It explores how biological, psychological, and sociocultural factors influence health and illness. Health psychologists conduct research, develop interventions, and promote public policy to improve health outcomes. The proportion of academic and research psychologists who primary area of interest is health psychology may vary, and there are different areas of specialization within psychology as well.