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Did you know?
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
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During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.
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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
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Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.