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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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Blood is approximately twice as thick as water because of the cells and other components found in it.

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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

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In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

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Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

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