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Asthma cases in Americans are about 75% higher today than they were in 1980.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.
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Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.