psychosomatics

/ˌsaɪkoʊsəˈmætɪks/
noun
  1. The branch of medicine or psychology that studies the relationship between mental states and physical symptoms.
    • She specialized in psychosomatics after seeing how stress caused her patients' health problems.
    • Research in psychosomatics shows that relaxation can improve physical health.
    • Psychosomatics helps doctors understand how emotions affect the body.