The introduction of iodized salt in the 1920's dramatically<span> reduced rates of goiter</span> in the United States. This rapidly reduced the incidence of iodine deficiency. The United States and Switzerland were the first two countries to introduce the use of iodized salt to their country.
They are like in the sense that they both speak same or similar languages and both have indigenous tribes. they are different in the sense that they eat different foods and have different indigenous tribes and ethnic groups
