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Vaccines prevent between 2.5 and 4 million deaths every year.
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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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More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.