Pay attention if your feet are sending you any of these 15 warning signs.
Toenails with sunken, spoon-shaped indentations -- This is often a sign of anemia, which often shows up as an unnatural, concave or spoonlike shape to the toes' nail beds, especially in moderate-to-severe cases.
Joel Page / Reuters
Philip Andrews / Reuters
Keystone Resort/Ben Lindbloom
SRI International via Wikimedia Commons
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