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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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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.