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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.
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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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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.