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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 you could remove all of your skin, it would weigh up to 5 pounds.
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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.