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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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All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.
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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
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Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.
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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.