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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.
Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
Medication errors are three times higher among children and infants than with adults.
More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.
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