Post-exertional malaise

Post Exertional Malaise (PEM) is a worsening of many ME/CFS symptoms as a result of physical or mental exertion or Exercise. It is often referred to as "The Marker" by patients, and clinicians and researchers that work in the ME/CFS field.

Published Studies

 * Post-exertion malaise in chronic fatigue syndrome: symptoms and gene expression

Interviews & Talks

 * Post-Exertion Malaise: The Intersection of Biology and Behavior (Dr Dane Cook, Solve ME/CFS, November 2015)