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Breakthrough Blood Test Diagnoses Chronic Fatigue with 96% Accuracy

10/19/2025

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Summary

Story summary

Scientists in the United Kingdom have developed a blood test that diagnoses myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) with 96% accuracy.
The study identified around 200 biomarkers linked to epigenetic changes in chromosomes caused by environmental factors.
The research is preliminary and involved only 47 participants with severe ME/CFS.
Further validation in larger, diverse groups is necessary to confirm the test's utility.

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Story summary

Scientists in the United Kingdom have developed a blood test that diagnoses myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) with 96% accuracy.
The study identified around 200 biomarkers linked to epigenetic changes in chromosomes caused by environmental factors.
The research is preliminary and involved only 47 participants with severe ME/CFS.
Further validation in larger, diverse groups is necessary to confirm the test's utility.