ME Association The ME Association Clinical & Research Guide 2022: Children & Adolescents - available as a free download ME/CFS has been reported in children as young as five, and there appears to be a peak of onset around 13 to 15 years of age. This 6-page chapter has been taken from the 2022 Clinical & Research Guide and we review what is known about ME/CFS in young people and consider the research evidence. Download here: https://meassociation.org.uk/a3op