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In 1864, the first barbiturate (barbituric acid) was synthesized.
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
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Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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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.