| 1. | Chronic symptoms can be a sign of a more serious disorder.
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| 2. | Chronic symptoms include anemia, increased blood viscosity, and splenomegaly.
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| 3. | Chronic symptoms may delay the diagnosis by up to five years.
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| 4. | Currently, the cause of these chronic symptoms is not fully known.
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| 5. | Pyridostigmine has been reported to improve chronic symptoms in about half of patients.
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| 6. | Markers of autoimmune or rheumatoid disease have not been found in people reporting chronic symptoms.
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| 7. | Chagas disease does not kill victims rapidly, instead causing years of debilitating chronic symptoms.
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| 8. | Chronic symptoms included terror or panic, feeling worthless, feeling blue or having trouble making decisions.
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| 9. | Pollutants trapped inside may cause chronic symptoms, including coughing, sneezing, skin rashes and itchy eyes.
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| 10. | As a result, patients continue to suffer from chronic symptoms that could stem from their homes or the workplace.
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