Support WBURNIH Study Aims To Unravel The Illness Known As 'Chronic Fatigue Syndrome'Miriam E. TuckerMay 01, 2017 ShareBrian Vastag suffers from myalgic encephalomyelitis/chronic fatigue syndrome, or ME/CFS for short. He is part of an NIH study of the disease, which is commonly called chronic fatigue syndrome. (Miriam Tucker for NPR)