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Did you know?
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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There are 60,000 miles of blood vessels in every adult human.
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People about to have surgery must tell their health care providers about all supplements they take.
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There are more nerve cells in one human brain than there are stars in the Milky Way.
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Medication errors are three times higher among children and infants than with adults.