"Scale of how ME/CFS affects blood revealed"
https://www.ed.ac.uk/news/scale-of-how-mecfs-affects-blood-revealed
"People with ME/CFS have significant differences in their blood compared with healthy individuals, a new study reveals, suggesting a path towards more reliable diagnosis of the long-term debilitating illness."
This is early research, not a diagnostic test yet! The wording in some articles has been misleading.
@mecfs