The difficult period that exists between the years of youth and manhood leave many fallen by the wayside. Kindness and spiritual guidance are needed for more than lectures and harsh instruction. But what kind of help is required and what should be done by priest, teacher and doctor to prevent the incidence of vicious habit and to assist the victim to a speedy recovery? In answering, the contributors in the following pages have done their task well and there is nothing that one can usefully add to the facts which they expose in such detail. In the section devoted to Medical Responsibility both civil and criminal, of the doctor vis-a-vis the patient and society form an admirable exposition of the basic principles involved.