Using incorrect concentrations. If your vitamin C standard solution is too concentrated or your iodine titration solution is too diluted, or your starch indicator solution is not between 0.5 to 1.0%, it may require much more than 50 mL of iodine solution to titrate the standard solution and/or orange juice.
The following summarizes some common causes of fatigue but is not meant to be comprehensive: Metabolic/endocrine: anemia; hypothyroidism; diabetes; electrolyte abnormalities; kidney disease; liver disease; Cushing's disease.
Other Causes. Fatigue and body aches can occur with a number of other conditions. Accompanying signs and symptoms, their course and severity, and provoking or alleviating factors can help your doctor shorten the list of possible causes of extreme fatigue and body pain. Reviewed by: Tina M. St. John, M.D.