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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
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There are more nerve cells in one human brain than there are stars in the Milky Way.
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.