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The familiar sounds of your heart are made by the heart's valves as they open and close.
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The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.
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The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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In 1864, the first barbiturate (barbituric acid) was synthesized.