A five-year study in Shanghai reveals that using iodized salt could help prevent frailty in older adults with diabetes—particularly those with underactive thyroids. Study: Association of iodized ...

Most table salt is fortified with iodine, which is a mineral essential for thyroid health and hormone production. Highly processed, which strips away trace minerals. May contain additives like ...

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 ...

But after iodine supplements were shown to help prevent them, iodised salt was "rolled out" in 1924. By the 1940s, goiters had all but "vanished". Now, thanks to complacency, changing diets and a ...