Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) is a complex disease that
affects children and adolescents as well as adults. The etiology has not been established …

Background Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) is a multifaceted
condition that affects most body systems. There is currently no known diagnostic biomarker; …

Chronic Fatigue Syndrome (CFS) is defined as greater than 6 months of persistent fatigue
that is experienced physically and cognitively. The cognitive symptoms are generally …

Chronic fatigue syndrome (CFS) is characterized by debilitating fatigue, often accompanied
by widespread muscle pain that meets criteria for fibromyalgia syndrome (FMS). Symptoms …

Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) is a complex disease
characterized by debilitating fatigue, lasting for at least 6 months, with associated malaise …

Background Orthostatic intolerance-OI is common in Myalgic Encephalomyelitis/Chronic
Fatigue Syndrome-ME/CFS. We used a 10-min passive vertical lean test as orthostatic …

Nearly 30% of the approximately 700,000 military personnel who served in Operation Desert
Storm (1990–1991) have developed Gulf War Illness, a condition that presents with …

Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) is a medically unexplained
illness characterized by severe fatigue limiting normal daily activities for at least 6 months …

Brain perfusion is sensitive to changes in CO2 levels (CO2 reactivity). Previously, we
showed a pathological cerebral blood flow (CBF) reduction in the majority of myalgic …

Four decades of research in the field of Myalgic Encephalomyelitis/Chronic Fatigue
Syndrome (ME/CFS) have yielded lessons that may be instructive for those devising criteria …