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Did you know?
Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.
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The human body produces and destroys 15 million blood cells every second.
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
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Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.
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The familiar sounds of your heart are made by the heart's valves as they open and close.