Raising the World’s I.Q” (New York Times, Dec 4 2008)

…Almost one-third of the world’s people don’t get enough iodine from food and water. The result in extreme cases is large goiters that swell their necks, or other obvious impairments such as dwarfism or cretinism. But far more common is mental slowness…

One of the attractions is that a campaign to iodize salt costs only 2 cents to 3 cents per person reached per year

[techtags: Iodized salt, IQ, developing countries, charity, humanitarian aid]