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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.
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In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.
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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
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Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.
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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.