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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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Blood is approximately twice as thick as water because of the cells and other components found in it.
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A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
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The human body produces and destroys 15 million blood cells every second.
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Cyanide works by making the human body unable to use oxygen.