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Did you know?
There are 60,000 miles of blood vessels in every adult human.
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If you could remove all of your skin, it would weigh up to 5 pounds.
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Thyroid conditions may make getting pregnant impossible.
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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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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.