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Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
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Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.
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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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Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.