What are the factors that influence a child IQ?

1. Genetic: General,the high-IQ parents, the children would not have a low IQ. Such genetic factors is also reflected in the blood relationship, the parents are locals, the average IQ of 102 children; and every province of married parents of children born to 109 IQ; parents are cousins, low-IQ children increased significantly.
2. Breast-feeding: Breast milk contains a variety of promotion of children’s mental development of active substances, especially for the mental development of taurine has an important impact on milk to more than 10 times higher. According to [...]