You can do more mental exercises, or eat more protein-rich foods such as walnuts and eggs.

The rapid response of the brain is related to the coordinated operation between the cranial nerves. The more sulcus circuits in the brain, the more questions the body thinks and the better its coordination ability, which means the faster the brain responds.

Mental exercise can start with some educational toys or math problems. Only when the attention is very concentrated and the thinking is very divergent will it help to improve the mental ability. At ordinary times, we should also pay attention to rest more, and don't stay up late, otherwise it will have an impact on the normal health inside the brain, and it is difficult to improve intelligence.