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In 1864, the first barbiturate (barbituric acid) was synthesized.
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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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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
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Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.
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Excessive alcohol use costs the country approximately $235 billion every year.