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The average adult has about 21 square feet of skin.
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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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According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.
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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%