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Did you know?
Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.
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The human body produces and destroys 15 million blood cells every second.
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The average adult has about 21 square feet of skin.
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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.