Anatomy from the Nails The nails are a little bit curved and about one millimeter thick—not even thickness of a credit card. Spoon nails are typically related to anemia, or an iron deficiency. For those who have this condition, the nail will appear concave both horizontally or vertically. Spoon nails https://brooksqqpnl.cosmicwiki.com/1604185/little_known_facts_about_massage_oil