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In 1864, the first barbiturate (barbituric acid) was synthesized.
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
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Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.
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More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.