Abstract
Mental Hygiene or Preventive Psychology is that science that aims not only to prevent nervous and mental disorders, to conserve and enrich mental life, hut also to promote to the optimum the health, happiness, efficiency and social adaptation of the individual and the group. Mental Hygiene further seeks to analyze the causes of individual and social maladjustments and to assist in the making of wholesome adaptations to the demands and stress of life. This responsibility rests primarily with the physician and the educator, but for the successful application of the principles of mental hygiene, the cooperation of all thinking and responsible persons is needed. Especially should Mental Hygiene be the concern those who have chosen by their profession, to make themselves at least partly responsible for the welfare of others. These professional groups include the nurse, the social and welfare worker, the physician, and those engaged in religious, correctional and educational activities.