Every step in human life is decided by thoughts, which have immense potential to create or change our beliefs, habits and attitude. Sexual thought emerges during puberty and intensifies with growing age. Teens discover new meaning of enjoyment and pleasure, and many try to experiment with changing sexual behaviour. While adolescents are still in the process of tackling sexual fantasies, the dirty world of online pornography provokes sexual desire. Free and easy access of explicit contents on Internet is the most dangerous weapon an adolescent can use to destroy sexual life. Sex education acts as an effective tool for adolescents to take right decision on sexual issues and check any spontaneous act of sexual aggression. Many parents fear about exposure of their wards to sexual contents leading to sexual perversion. They are unaware of the impact pornographic world already making on young mind. This book discusses how comprehensive sex education enables young people to take informed decisions about their sexuality and health. This book contains three sections. First part examines need for sex education to adolescents, teachers and parents. Second segment highlights harmful effects of pornography on teens’ physical and mental health, married life and security of society. Third part provides guidance on development of strong will power, good character and altruism for effective management of life. The book provides scientific aspects of topics covered under sex education and pornography and useful for Internet savvy youth, parents and institutions involved in values-based education.