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

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Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

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Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

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