Some patients remain unwell for months after “recovering” from the acute COVID-19. They
develop persistent fatigue, cognitive problems, headaches, disrupted sleep, myalgias and …

The capacity to predict future events permits a creature to detect, model, and manipulate the
causal structure of its interactions with its environment. Behavioral experiments suggest that …

Recent years have brought growing recognition of the need for clinical criteria for myalgic
encephalomyelitis (ME), which is also called chronic fatigue syndrome (CFS). An Expert …

OBJECTIVE: Chronic fatigue syndrome is an illness characterized by disabling fatigue of at
least 6 months, accompanied by several other symptoms. This review summarizes the …

This review was written from the viewpoint of the treating clinician to educate health care
professionals and the public about Myalgic Encephalomyelitis/Chronic Fatigue Syndrome …

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) affects tens of
millions worldwide; the causes of exertional intolerance are poorly understood. The ME/CFS …

Topic selection. The present document is an Expert Consensus. The type of document is
intended to inform practitioners, payers and other interested parties of the opinion of the …

Objective.—To compare the clinical symptoms and response evoked by upright tilt-table
testing in healthy individuals and in a sample of those satisfying strict criteria for chronic …

The term dysautonomia refers to a change in autonomic nervous system function that
adversely affects health. The changes range from transient, occasional episodes of neurally …