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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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Excessive alcohol use costs the country approximately $235 billion every year.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.
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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.