" In 1924, when iodine deficiency was a common health problem, Morton Salt began iodising salt to help prevent goitres, leading to great strides in public health. These days, we can get sufficient amounts of iodine from natural sources. As long as your diet is diverse and full of iodine-rich foods such as seafood and dairy, there’s no need to suffer through metallic-tasting food. "

― Samin Nosrat , Salt, Fat, Acid, Heat: Mastering the Elements of Good Cooking