What is Chronic Fatigue Syndrome (ME CFS)?

Myalgic encephalomyelitis (M.E.) or chronic fatigue syndrome (CFS) is a long-term, debilitating condition characterised by a combination of symptoms related to the immune, neurological and nervous systems. It is classed as a neurological condition by the World Health Organisation (G93.3). Each person with M.E./CFS will have a different combination of symptoms individual to them.