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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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There are more bacteria in your mouth than there are people in the world.
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One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.