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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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If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.
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Green tea is able to stop the scent of garlic or onion from causing bad breath.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.