The cause of chronic fatigue syndrome (CFS) remains unknown. CFS often accompanies cold, flu, and times of physical or emotional stress. Some studies have linked immune system irregularities in patients with Chronic Fatigue Syndrome. Possible causes of CFS include: virus infection, allergies, low blood sugar, and iron deficiency.
Two years ago, researchers from the Whittemore Peterson Institute, the Cleveland Clinic and the National Cancer Institute published a study linking retrovirus to chronic fatigue syndrome. It was thought to be only the third retrovirus to ever infect humans. The study found that seven percent of healthy individuals might harbor the virus,…