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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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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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The familiar sounds of your heart are made by the heart's valves as they open and close.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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There are more sensory neurons in the tongue than in any other part of the body.