Monday, January 5, 2009

Nails


Fingernails are just another type of skin, but not all nails are created equal. The nails protect the nerve-rich fingertips and tips of the toes from injury. Nails are a substructure of the outer layer of the skin and are composed mainly of keratin, a type of protein. Nails grow at the rate of about 0.05 to 1.2 millimeters per week. The nail bed is the skin on the top of which the nail grows. Healthy nail beds are pink to dark pink, which show a rich blood supply.
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Fair skinned people have pinkish nails, while other people have brown or black ones. But one thing is sure: Nails often tell a story. The nails can reveal a lot about the body's internal health. Healthy nails are often a sign of good health, while bad nails are often a tip off to more serious problems. A high protein diet can help your nails grow stronger and healthier

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