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Approximately 500,000 babies are born each year in the United States to teenage mothers.

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The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

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About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

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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.

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