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CFS
CFS CFS, or chronic fatigue syndrome, is a complex condition of unknown cause marked by fatigue that continues for more than six months and does not improve with rest.
CFS, or chronic fatigue syndrome, is a complex condition of unknown cause marked by fatigue that continues for more than six months and does not improve with rest. It can also involve pain and problems with thinking and emotions, and the prolonged fatigue may reduce social functioning, quality of life, and work efficiency.