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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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The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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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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Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.