Frequently Asked Questions


Will the target number of cases be big enough to generate meaningful findings, and to detect any subgroups?

Until the first GWAS study for an illness is done, it is just not possible to know how meaningful its findings will be. However, we’ve chosen to study 20,000 people with ME/CFS because other projects of this size commonly found around five causal links between DNA and disease diagnosis. ME/CFS could have many independent genetic causes and a study of this size will have a chance of revealing part of this potential spectrum of genetic causes.

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The largest ever DNA study of ME/CFS

A partnership between

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National Institute for health research