Experts say table salt is processed yet loaded with iodine, which helps prevent thyroid-related issues. While pink and black salt are naturally sourced, they lack iodine, which can cause a number ...

A lack of natural iodine in the soil and water, and an iodine-poor diet, led to the "characteristic neck swellings": enlarged thyroid glands. But after iodine supplements were shown to help ...

But while all these salts contain sodium, only one—table salt—has been fortified with iodine, an essential nutrient. The practice of iodizing salt began in the 1920s as a way to address ...