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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 first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.