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Did you know?
Your heart beats over 36 million times a year.
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The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).
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Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.
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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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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.