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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.
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Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.