Before revision: Even when there is no disease, unusually early puberty can have adverse effects on social behavior and psychological development ( have a more mature knowledge than one's age, feel inadequate, try to attend and establish friendships with older people, depression) , can reduce .
After revision: Even when there is no disease, unusually early puberty can havingdverse effects on social behavior and psychological development ( have a more mature knowledge than one's peers, feeling inadequate, trying to attend and establish friendships with older people, depression) underlying .