A trace element known as iodine plays a major role in our health, powering the thyroid gland to regulate metabolism. But a ...

and sodium — are too high or too low. What happens when your body is low on electrolytes? A mild electrolyte deficiency may not cause symptoms, but a more significant deficiency may lead to ...

Some of the kids were unusually short, deaf, intellectually stunted and had other symptoms ... table salt. Bread and some other foods also were fortified with iodine, and iodine deficiency became ...

Some analysis suggests an IQ increase of about 15 points in the general population, as reflected in standard military aptitude tests in parts of the U.S. that were most profoundly iodine-deficient, ...

A century ago, iodine deficiency affected kids across large swathes of the US. It essentially disappeared after some food ...