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Did you know?
Your heart beats over 36 million times a year.
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There are 20 feet of blood vessels in each square inch of human skin.
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People about to have surgery must tell their health care providers about all supplements they take.
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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.