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Did you know?
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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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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The familiar sounds of your heart are made by the heart's valves as they open and close.
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To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.
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There are more sensory neurons in the tongue than in any other part of the body.