A decision to cancel a planned update of a Cochrane systematic review of exercise therapy for chronic fatigue syndrome has met with anger from a group advising the review and the patient community. The decision has reignited calls for the review,1 which includes studies only up to May 2014, to be withdrawn for being outdated and misleading. The review recommends exercise therapy to treat myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS), concluding that this “probably has a positi...
