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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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Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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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.