Topics from A to Z: Letter N

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  • Nail fungus

    Nail fungus

    Nail fungus is very common. Experts think that it often develops from untreated athlete's foot. It then takes a while to get rid of the brittle, disc...

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    Structure of the nails

    Fingernails and toenails are made from skin cells. Structures that are made from skin cells are called skin appendages. Hairs are also skin appendage...