 In contrast, in contemporary psychosomatic medicine, the term is normally restricted to those illnesses that do have a clear physical basis, but where it is believed that psychological and mental factors also play a role.Some researchers within the field believe that this overly broad interpretation of the term may have caused the discipline to fall into disrepute clinically.For this reason, among others, the field of behavioral medicine has taken over much of the remit of psychosomatic medicine in practice and there exist large areas of overlap in the scientific research.