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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.
Asthma cases in Americans are about 75% higher today than they were in 1980.
If you could remove all of your skin, it would weigh up to 5 pounds.
More than 4.4billion prescriptions were dispensed within the United States in 2016.
The FDA recognizes 118 routes of administration.
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