Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.
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Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.
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The average adult has about 21 square feet of skin.
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Medication errors are three times higher among children and infants than with adults.
The surface of the human brain
Abundant cave art after about 30,000 years ago is evidence of the importance of symbolic behavior fo