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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
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The horizontal fraction bar was introduced by the Arabs.
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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 B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
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There are more sensory neurons in the tongue than in any other part of the body.