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Did you know?
Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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There are more sensory neurons in the tongue than in any other part of the body.
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People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.
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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.