This is because the child's parents are pregnant scientifically from the beginning of pregnancy, so the child's IQ has improved, he is sensible, his academic performance is good, and his skills such as music and painting have developed in an all-round way.

There are three main reasons why children nowadays become smart.

First, people's living standards have improved, and the improvement of nutritional status and sanitary conditions has objectively promoted the development of the brain, but the impact is relatively small.

Second, the change of environmental factors, such as children's more resources and attention to their parents, the improvement of education level, the dissemination of information is indeed more convenient, so that children can learn more information faster.

Thirdly, parents' cramming education helped children of the same age to master more knowledge and skills than before, and helped them become "smart".