Chronic fatigue syndrome - Wikipedia
https://en.m.wikipedia.org/wiki/Chronic_fatigue_syndrome
WebChronic fatigue syndrome (CFS), also called myalgic encephalomyelitis (ME) or ME/CFS, is a complex, debilitating, long-term medical condition. Core symptoms are lengthy flare-ups of the illness following ordinary minor physical or mental activity, known as post-exertional malaise (PEM); [12] [13] greatly diminished capacity to do tasks that ...
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