https://medicalxpress.com/news/2019-04-biomarker-chronic-fatigue-syndrome.html Researchers identify biomarker for chronic fatigue syndrome April 29, 2019 , Stanford University Medical Center A diagnostic device for ME/CFS. Credit: R. Esfandyarpour People suffering from a debilitating and often discounted disease known as chronic fatigue syndrome may soon have something they've been seeking for decades: scientific proof of their ailment. Researchers at the Stanford University