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The human body produces and destroys 15 million blood cells every second.
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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
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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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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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The average adult has about 21 square feet of skin.