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Hair grows across the surface of the body except the lips, the palms of hands and soles of the feet. Hair takes a little more than three months to grow an inch; hair helps to maintain body temperature, protect the eyes, ears and nose from particles suspended in the environment. Head hairs are lost every day but often they grow back; most men and some women lose hair over the years, but this may also be caused by the wrong care or diseases like thyroid problems, lupus, and diabetes. Other possible causes are stress, a low protein diet, malnutrition or a family history of young people losing hair.
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