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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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There are more bacteria in your mouth than there are people in the world.
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The longest a person has survived after a heart transplant is 24 years.
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Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
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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.