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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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The FDA recognizes 118 routes of administration.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.