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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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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

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Thyroid conditions may make getting pregnant impossible.

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If you could remove all of your skin, it would weigh up to 5 pounds.

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Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

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