Chronic fatigue syndrome
![Presentation of a petition to the National Assembly for Wales relating to M.E. support in South East Wales.](/Images/godic/202502/14/Petition_presentation_by_M.E_Support_in_Glamorgan5946.jpg")
Chronic fatigue syndrome (CFS) is a complex medical condition, characterized by long-term fatigue and other symptoms. These symptoms are to such a degree that they limit a person's ability to carry out ordinary daily activities. Quality of life of persons with CFS can be compromised.