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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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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.