The role and responsibilities of psychiatry and psychiatrists have changed significantly in recent decades as a consequence of changes in society. The target of psychiatrists has moved from the treatment of specific mental disorders to the management of a wide range of psychological conditions. Following these changes, a public health approach has been claimed as necessary for psychiatric practice and research, given the current ongoing crisis in mental health. If we want to promote a public health approach, the following actions should be responsibly taken by modern mental health professionals: (1) the identification of causes of mental disorders, (2) the refinement of diagnoses, (3) the social inclusion of patients, (4) the involvement of...