What Vitamin Deficiency Causes Fingernails to Curl Down at the Tips? (It's Not What You Think)
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3 min read
Contrary to a common misconception, fingernails that curl down at the tips are not caused by a vitamin deficiency but are instead often a sign of underlying systemic health conditions. This downward curvature is medically known as "clubbing," a phenomenon distinct from other nutrient-related nail issues, such as spoon-shaped nails, which can result from iron deficiency.
