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The longest a person has survived after a heart transplant is 24 years.
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About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.
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Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.
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The average adult has about 21 square feet of skin.
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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%