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Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").