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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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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
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The average office desk has 400 times more bacteria on it than a toilet.