I think it boils down to a combination of: 1) It's hard to sell the output of this research. Your health insurance isn't going to pay $100 a day to make a heal

I think it boils down to a combination of: 1) It's hard to sell the output of this research. Your health insurance isn't going to pay $100 a day to make a healthy person smarter. 2) The output of your research is going to be low priority for regulatory approval 3) As both result and cause of the above, there's virtually no existing funding for this kind of research 4) If you succeed, you're going to spark an immediate furor over fairness and the morality of human enhancement (which I'm not saying I personally agree with, but it will happen)