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About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.
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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.
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The average office desk has 400 times more bacteria on it than a toilet.