World CFS Day: Shining light on an often-invisible illness

Chronic Fatigue Syndrome (ME/CFS) involves complex dysfunctions in immune, neurological, and energy systems. Symptoms include post-exertional malaise, unrefreshing sleep, and cognitive impairment. Awareness improves diagnostic accuracy, reduces stigma, and drives urgent biomedical research and policy development. It is time to replace doubt with action and bring invisible illness into focus.