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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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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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Excessive alcohol use costs the country approximately $235 billion every year.
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According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.
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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.