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Did you know?
Everyone has one nostril that is larger than the other.
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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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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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People about to have surgery must tell their health care providers about all supplements they take.