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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
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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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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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On average, the stomach produces 2 L of hydrochloric acid per day.