Five Very Different Diseases May Share a Hidden Biological Link

The findings suggest that chronic fatigue syndrome (ME/CFS), long COVID, posttraumatic stress disorder (PTSD), rheumatoid arthritis, and multiple sclerosis (MS) may share underlying biological mechanisms. An infection and a traumatic experience have little in common, yet both can be followed by lasting exhaustion, brain fog, and disturbed sleep. Researchers at the University of East Anglia [...]