“To replace ME/CFS, the [Institute of Medicine] committee proposes the name systemic exertion intolerance disease, or SEID. This name captures a central characteristic of the disease: the fact that exertion of any sort— physical, cognitive, or emotional—can adversely affect patients in many organ systems and in many aspects of their lives.” CfsChronic Fatigue SyndromeMyalgic EncephalomyelitisMe CfsM E CfsChronic Fatigue Author:Ellen Wright Clayton