In Raising the World’s I.Q., the Secret’s in the Salt (Published 2006)

In Raising the World’s I.Q., the Secret’s in the Salt MAKING A DIFFERENCE Salt, excavated from a field at the Aral Tuz salt processing plant in Aral, Kazakhstan, in train carriages. In 1999, only 29 percent of the nation�s households were using iodized salt. Now, 94 percent are.Credit...Joseph Sywenkyj for The New York Times ASTANA, Kazakhstan — Valentina Sivryukova knew her public service message

[s_gotter]

ヨウ素欠乏症を無くすだけでもどれだけの恩恵があるのか、と。