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Did you know?
On average, the stomach produces 2 L of hydrochloric acid per day.
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As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.
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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
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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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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

