You are not accounting for the fact that IQ is heritable, one of the more obvious truths we're tempted to ignore. Pinker's The Blank Slate is a good book on the topic.
At this point improving nutrition does not add much to IQ. Ours is a well fed nation. Soon, the cheapest means of raising IQ will be iterated embryo selection, later direct genetic modification.
At this point improving nutrition does not add much to IQ. Ours is a well fed nation. Soon, the cheapest means of raising IQ will be iterated embryo selection, later direct genetic modification.
Iterated embryo selection could raise IQ by 80 points:http://www.nickbostrom.com/papers/embryo.pdf
I look forward to when Singapore makes it available to its citizens and ideologues here try to insist that vitamins will do the same.