As Samin Nosrat explains in Salt Fat Acid Heat, manufacturers began adding iodine to salt in the 1920s when iodine deficiency ...

Some regions have iodine-deficient soils, which can increase the risk of iodine deficiency ... and legumes. Kosher salt gets its name from the Jewish tradition of kashrut, which has dietary ...

a necessary nutrient that's been added to salt since the 1920s to help prevent iodine deficiency, according to Global Health Now. The main kosher salt brands sold in the United States like Diamond ...

Kosher salt is a widely used seasoning in kitchens ... a crucial nutrient for thyroid health. Iodine deficiency can lead to ...