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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 60,000 miles of blood vessels in every adult human.
The human body produces and destroys 15 million blood cells every second.
Blood is approximately twice as thick as water because of the cells and other components found in it.
Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
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