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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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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.
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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
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A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
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