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Author Question: Based on evidence from studies presented in the chapter on evolutionary explanations of helping ... (Read 255 times) |
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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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Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.
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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 oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.