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Author Question: Nancy Evans, a third-grade teacher in a large, urban elementary school, has agreed to be the ... (Read 156 times) |
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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 horizontal fraction bar was introduced by the Arabs.
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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.
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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.