1. Crime is due, in a Gestalt sense, to a perversion of the instinctive drives dependent upon a deficiency and imbalance of the endocrine glands.2. Certain types of crimes are associated with certain types of endocrine malfunctioning.3. Most criminals are derived from juvenile delinquents and most juvenile delinquents tend to become criminals.4. Endocrine imbalance and deficiency have been found to occur in about the same frequency and of about the same type in juvenile delinquents as in criminals.5. Endocrine treatment of the specific endocrine condition in juvenile delinquents has resulted in a correction of the delinquent behavior.6. Juvenile delinquency and its sequel, crime, can be prevented by proper attention to the status of the different endocrines which contribute to the development of the normal social personality during childhood and adolescence.7. All our concepts of justice, punishment and crime must be revised and reconstructed in the light of these findings.