health psychology
An academic and applied field that studies psychological and behavioral processes in health, illness, and healthcare.
Health psychology studies the relationship between stress and health.
She is majoring in health psychology at university.
Clinical psychology focuses on mental disorders and their treatment, while health psychology emphasizes the role of behavior and lifestyle in physical health and illness prevention.
Compound of 健康 (health) + 心理学 (psychology), a calque from English 'health psychology'.