From Medical Express... 'Scientists find clues into cognitive dysfunction in chronic fatigue syndrome' http://medicalxpress.com/news/2015-03-scientists-clues-cognitive-dysfunction-chronic.html "Scientists at Columbia University's Mailman School of Public Health have identified a unique pattern of immune molecules in the cerebrospinal fluid of people with myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) that provides insights into the basis for cognitive dysfunction—frequently described by patients as "brain fog"—as well as new hope for improvements in diagnosis and treatment. In the study published in Molecular Psychiatry, Mady Hornig, MD, and colleagues used immunoassay testing methods to measure the levels of 51 immune biomarkers called cytokines in the cerebrospinal fluid of 32 people with ME/CFS for an average of seven years, 40 with multiple sclerosis, and 19 non-diseased controls. The researchers found that levels of most cytokines, including the inflammatory immune molecule, interleukin 1, were depressed in individuals with ME/CFS compared with the other two groups, matching what was seen in the blood study in patients who had the disease for more than three years. One cytokine—eotaxin—was elevated in the ME/CFS and MS groups, but not in the control group. Read the rest HERE.