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In 1864, the first barbiturate (barbituric acid) was synthesized.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.
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HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.