clipped from: io9.com   

Right now, people all over the world are being made smarter through a simple food additive. The plan to unleash this additive on the world, called "the micronutrient initiative," has already boosted IQs in Pakistan by as much as 12-13 points. Is it really a good idea to put brain-changing additives in the food supply like this, even if it's for a good cause?

Most countries in the world have already answered that question with a resounding "yes." The additive in question here is iodine, and you probably eat it all the time in your enhanced, iodized salt. Canada's micronutrient initiative is trying to bring iodized salt to countries like Pakistan and elsewhere, where iodine deficiency creates a range of problems from severe developmental disorders to lowered IQs


researcher Anders Sandberg points out at Oxford University's Practical Ethics blog that there is really very little difference between "enhancement" and "normalization" in this case: