The biopsychosocial model assumes that illnesses have physical or biological causes that can be identified and that people afflicted by them are to be cured through treatment or therapy.

The biopsychosocial model recognizes that illnesses have physical or biological causes as well as psychological and social factors that can impact the development and treatment of the illness. It emphasizes an individualized approach that takes into account the person's unique biological, psychological, and social factors. It does not assume that illnesses can always be cured through treatment or therapy.