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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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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
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Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.
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Blood is approximately twice as thick as water because of the cells and other components found in it.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.