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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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During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).
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Medication errors are more common among seriously ill patients than with those with minor conditions.
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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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Blood is approximately twice as thick as water because of the cells and other components found in it.