March 29, 2021
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Linked to the new edition of the
Dietary Guidelines for Americans and updated the associated text.
September 16, 2020
Updates were made throughout the fact sheet to reflect the recently released USDA, FDA, and ODS-NIH database of the iodine content of foods.
May 1, 2020
Added new references and modified or updated text throughout this fact sheet, particularly in the sections on iodized salt, groups at risk of iodine deficiency, and fetal and infant development.
March 31, 2020
Replaced the term “mental retardation” with “intellectual disability” in the Iodine Deficiency section.
March 11, 2020
Revised the description of iodine daily values.
July 9, 2019
Updated the link to USDA’s FoodData Central.
September 26, 2018
Added reference 13 to the footnote in Table 2 and made editorial changes.
March 2, 2018
Updated Dietary Reference Intake definitions.