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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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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.
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The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.