There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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Medication errors are three times higher among children and infants than with adults.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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There are approximately 3 million unintended pregnancies in the United States each year.
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All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.
Table Salt
CT scan of the head shows a massive bleed with a midline shift.
a) When standing, keep your weight over your front leg. b) Avoid placing your foot under the table. ...