Although most people are still getting enough, researchers have increasingly been reporting low levels of iodine in pregnant ...
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Does Salt Expire?
While salt itself doesn't expire, additives like iodine and flavorings can deteriorate over time. Consuming salt past its ...
A century ago, iodine deficiency affected kids across large swaths of the country. It essentially disappeared after some food makers started adding it to table salt, bread and some other foods ...