LITTLE ROCK, Ark., Nov. 8 -- The University of Arkansas for Medical Sciences issued the following news release:
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Nov. 5, 2026 | Download this episode
Nov. 5, 2026 | They can be long or short, shiny and clean or dirty and in need of care. Some people chew on them endlessly while others pay very little attention to them at all. Human fingernails are made up of layers of tissue called keratin, which can also be found in your hair and skin. While the keratin cells are no longer living, which is why you can trim your fingernails and toenails, they represent formerly living cells that needed nutrients and proteins to survive. A nail injury can occur in any part of the nail, from the nail bed, the skin beneath the nail, to the ...