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There are approximately 3 million unintended pregnancies in the United States each year.
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On average, the stomach produces 2 L of hydrochloric acid per day.
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More than 4.4billion prescriptions were dispensed within the United States in 2016.
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Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.
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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.