You're not the first to think this, but there isn't evidence for it - in fact there is evidence of less risky sex + less teen sex. If we are just coming up wit

You're not the first to think this, but there isn't evidence for it - in fact there is evidence of less risky sex + less teen sex. If we are just coming up with theories before looking at evidence you would imagine STDs benefitting from more risky sexual behaviour as it would be an advantage to them spreading.