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Your heart beats over 36 million times a 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.
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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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Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.