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Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.
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Illicit drug use costs the United States approximately $181 billion every year.
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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.