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Join Login Donate Contact Us International Association for Chronic Fatigue SyndromeMyalgic Encephalomyelitis Dedicated to the care and research of people affected byMyalgic EncephalomyelitisChronic Fatigue Syndrome and Related Disorders Events 2025 Medical and Scientific Conference Learn more about our October 2025 Conference in Florida USA. Journal Fatigue Biomedicine Health Behavior Learn Primer for Clinical Practitioners IACFSME is an international nonprofit organization of clinicians scientists professionals patients and advocates dedicated to the care and research of people affected by myalgic encephalomyelitis chronic fatigue syndrome MECFS fibromyalgia and other related conditions. We publish a peerreviewed medical journal Fatigue Biomedicine Health and Behavior organize international conferences educate professionals and the public about MECFS and promote sciencebased care research and public health policies. YOUR MEMBERSHIP MATTERS Join IACFSME By joining IACFSME you will be supporting sciencebased clinical care research medical education and healthcare policy for MECFS.