Incest the risk of teenage or adolescent pregnancy, causes depression and intense guilt, can lead to drug and alcohol abuse by victims. Social research studies showed that most societies regard sexual relations between close family members as not only a taboo, an affront against decency, an abomination, but also illegal. Consensual incest is probably going to happen anyway--it is, after all, a relationship conducted secretly -- but it makes a criminal offense a private matter, like smoking marijuana is in some states. (I don't smoke pot, and even if it were 100% legal I still wouldn't smoke it, but decriminalizing it does remove some of the stigma involved in