By Caroline Christian Suppose you have been diagnosed with myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS). In that case, you may already know that the cardinal symptom is post-exertional malaise (PEM), also called post-exertional symptom exacerbation (PESE). Approximately 50% of people with long COVID also experience PEM/PESE and meet the diagnostic criteria for ME/CFS. Post-exertional malaise, or […]