They were known popularly as greenbacks, a name inherited from the earlier greenbacks, the Demand Notes, that they replaced during 1862. Often termed Legal Tender Notes, they were named United States Notes by the First Legal Tender Act, which authorized them as a form of fiat currency.
Vitamin A is required to transport iron from storage, so inadequate vitamin A levels create a functional deficiency in iron. As a result, you can also develop symptoms of iron deficiency, including pale skin, fatigue and brittle nails that split.Foods that are high in vitamin A include carrots, liver, spinach, cantaloupe and fortified foods, including milk and breakfast cereals.f you have splitting and peeling nails that aren't due to environmental causes, consult your physician for the correct diagnosis before treating them with a vitamin supplement.
Along with fatigue, decreased body temperature and an inflamed tongue, an iron deficiency also causes brittle, splitting nails. Iron-containing foods include chicken liver, red meat, dark turkey meat, soybeans and fortified cereals.