Explain the biopsychosocial model of case formulation.

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The main idea is that case formulation should integrate biological, psychological, and social factors to understand and treat a client. This approach recognizes that symptoms arise from how biology (genes, physiology, medical conditions), psychology (thoughts, emotions, coping styles), and social context (family, culture, support systems, stressors) interact, rather than from a single cause. By considering these interconnections, a clinician can see how one factor fuels another—for example, how stress (psychological) can worsen physical symptoms (biological) or how limited social support (social) affects treatment adherence. In practice, this leads to a treatment plan that targets interventions across domains—medical management, therapy, and leveraging social resources—rather than focusing on just biology, psychology, or behavior in isolation. The other descriptions describe narrower views (ignoring social context, focusing only on biology, or explaining behavior solely by reinforcement), which miss the comprehensive, integrative framework used for understanding and treating clients.