Chronic fatigue syndrome is NOT all in the mind - but caused by changes in brain chemistry, a study finds "Spinal taps before exercise showed miRNA levels were the same in all participants suffering from chronic fatigue, Gulf War Illness and a control group. But chronic fatigue syndrome subjects who exercised had reduced levels of 12 different miRNAs, compared to those who did not exercise. The tests also showed that sufferers of CFS and GWI experienced changes in miRNA levels 24 hours after riding a stationary bike for 25 minutes. Senior investigator Dr James Baraniuk said: 'This news will be well received by patients who suffer from these disorders who are misdiagnosed and instead may be treated for depression or other mental disorders.' " Read more: http://www.dailymail.co.uk/health/a...-fatigue-syndrome-not-mind.html#ixzz4y3RzkSkn