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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.
There are approximately 3 million unintended pregnancies in the United States each year.
In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
Blood is approximately twice as thick as water because of the cells and other components found in it.
People about to have surgery must tell their health care providers about all supplements they take.
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