 The strongest perspective on psychosomatic disorders is that attempting to distinguish between purely physical and mixed psychosomatic disorders is increasingly obsolete as almost all physical illness have mental factors that determine their onset, presentation, maintenance, susceptibility to treatment, and resolution.According to this view, even the course of serious illnesses, such as cancer, can potentially be influenced by a person's thoughts, feelings and general state of mental health.Addressing such factors is the remit of the applied field of behavioral medicine.