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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
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Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.
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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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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.