Harm of sex

The harm of anal sex - in what way is it manifested? Why do people have anal sex? What it is necessary to know, that the harm of anal sex was minimal? What are the most dangerous diseases that can be transmitted during anal sex? What protection measures should be used to reduce the harm of anal sex? What common mistakes exist, and what kind of injuries can you get while taking anal sex? When is anal sex contraindicated?

Harm of sex at an early age - does it exist? If so, what are the physiological and psychological aspects of the harm of sex at an early age? When does the body of girls and young people mature? Why are the relations of young girls dangerous with "cool boys"? What is fraught with early sex? Why can the early onset of sexual activity cause disgust for sex?