Spoon nails are typically connected with anemia, or an iron deficiency. In case you have this condition, the nail will surface concave either horizontally or vertically. Spoon nails can have an affect on the fingernails or toenails. Question your healthcare professional about biotin. Some research suggests the nutritional supplement biotin https://codylrrkz.canariblogs.com/the-nail-care-case-diaries-54405913