This is highly likely. The risk of having a complex disease such as an autoimmune condition is altered by many, many different DNA letters scattered around the human genome, and we think it is likely that it will be the same for ME/CFS. The genetic variants all could have the same effect (for example, muting the body’s immune system) but might have separate effects on different bodily processes.

Modern biomedical science tries not to compartmentalise. The body’s health is like a tune that can become discordant because of faults in any of the musical instruments, being played by many different parts of the body’s orchestra!

The largest ever DNA study of ME/CFS

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