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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.
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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
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The FDA recognizes 118 routes of administration.
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According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.
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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.