Final answer:
The primary concern for health psychologists is investigating the mind-body connection and the influence of psychological factors on health.
Step-by-step explanation:
The primary concern for health psychologists is investigating the mind-body connection and the influence of psychological factors on health. Health psychology focuses on understanding how psychological influences, such as stress and lifestyle choices, impact health, illness, and response to illness. Health psychologists also design interventions to change unhealthy behaviors and identify groups at risk for negative health outcomes based on psychological or behavioral factors.