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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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There are more sensory neurons in the tongue than in any other part of the body.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.