Classicly

This word hygiene has its root in the word Hygeia. Hygeia was the daughter of one of the gods of the Classic Mythology, and was the goddess of health. Sex hygiene is then, sex health, or sex normality. Is there special danger of abnormal conditions or disease in the sex life of children and young people? We must answer this question before we can determine whether our time is well spent in the study which shall follow.