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.
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Medication errors are three times higher among children and infants than with adults.
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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
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If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
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Animated! Organisms are classified into groups according to their characteristics