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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.
The FDA recognizes 118 routes of administration.
Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.
The average adult has about 21 square feet of skin.
The human body produces and destroys 15 million blood cells every second.
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