Cochrane reviews are published in the Cochrane Database of Systematic Reviews. Updating is central to what makes a Cochrane review a Cochrane review. Here’s how the Cochrane website currently answers the question, “Why are Cochrane reviews reliable?”:“Cochrane reviews are internationally recognised as the highest standard in evidence-based health care. There were a few stragglers later that year, but since 2020, no Cochrane review has been withdrawn. I have a talk page that I began for responding to questions about the Cochrane ME/CFS project.