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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.
More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.
The average adult has about 21 square feet of skin.
In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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