They also write about possible ways to increase I.Q. by improving the environment. The most positive way is to adopt babies who are in a bad environment into a good environment. It should be done as early as possible in the baby's life. In terms of social policy, the adoptive paperwork should be cut. The overall data was inconclusive on nutrition.
More research is needed.
But they said that since one study did show that students might do better if they were given the Recommended Daily Allowance of vitamins, it couldn't hurt. That is all they said. Regarding education, they concluded that in the US we have done a considerable amount in the area already. That is an important statistic for further social policy. They made a number of other points.