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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The average office desk has 400 times more bacteria on it than a toilet.
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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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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.
A strike by 800 women shoemakers in Lynn, Massachusetts, in 1860. In 1851 a Lynn shoemaker had adapt
The U.S. military uses its own marking system to identify explosive hazards (left), chemical hazards ...