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Oxygen is an odorless and colorless gas that comprises a major component of air and is critical to animal and plant life.[1]

ME/CFS[edit | edit source]

A 1995 study found oxygen delivery to muscles in ME/CFS was impaired and that there was a 20% reduction in oxidative metabolism.[2]

ME/CFS patients have lower VO2 max scores.[citation needed]

Studies[edit | edit source]

  • 2019, Peak Oxygen Uptake in Chronic Fatigue Syndrome/Myalgic Encephalomyelitis: A Meta-Analysis.[3]

See also[edit | edit source]

References[edit | edit source]

  1. "OXYGEN | definition in the Cambridge English Dictionary". dictionary.cambridge.org. Retrieved Jan 9, 2019. 
  2. Natelson, Benjamin H.; Mccully, Kevin K. (Nov 1, 1999). "Impaired oxygen delivery to muscle in chronic fatigue syndrome". Clinical Science. 97 (5): 603–608. doi:10.1042/cs0970603. ISSN 0143-5221. PMID 10545311. 
  3. Franklin, John Derek; Atkinson, Greg; Atkinson, Janet M.; Batterham, Alan M. (Feb 2019). "Peak Oxygen Uptake in Chronic Fatigue Syndrome/Myalgic Encephalomyelitis: A Meta-Analysis". International Journal of Sports Medicine. 40 (2): 77–87. doi:10.1055/a-0802-9175. ISSN 1439-3964. PMID 30557887. 

ME/CFS - An acronym that combines myalgic encephalomyelitis with chronic fatigue syndrome. Sometimes they are combined because people have trouble distinguishing one from the other. Sometimes they are combined because people see them as synonyms of each other.

VO2max - the maximum amount of oxygen the body can utilize during a specified period of usually intense exercise

chronic fatigue syndrome (CFS) - A controversial term, invented by the U.S. Centers for Disease Control, that generally refers to a collection of symptoms as “fatigue”. There have been multiple attempts to come up with a set of diagnostic criteria to define this term, but few of those diagnostic criteria are currently in use. Previous attempts to define this term include the Fukuda criteria and the Oxford criteria. Some view the term as a useful diagnostic category for people with long-term fatigue of unexplained origin. Others view the term as a derogatory term borne out of animus towards patients. Some view the term as a synonym of myalgic encephalomyelitis, while others view myalgic encephalomyelitis as a distinct disease.

myalgic encephalomyelitis (ME) - A disease often marked by neurological symptoms, but fatigue is sometimes a symptom as well. Some diagnostic criteria distinguish it from chronic fatigue syndrome, while other diagnostic criteria consider it to be a synonym for chronic fatigue syndrome. A defining characteristic of ME is post-exertional malaise (PEM), or post-exertional neuroimmune exhaustion (PENE), which is a notable exacerbation of symptoms brought on by small exertions. PEM can last for days or weeks. Symptoms can include cognitive impairments, muscle pain (myalgia), trouble remaining upright (orthostatic intolerance), sleep abnormalities, and gastro-intestinal impairments, among others. An estimated 25% of those suffering from ME are housebound or bedbound. The World Health Organization (WHO) classifies ME as a neurological disease.

The information provided at this site is not intended to diagnose or treat any illness.
From MEpedia, a crowd-sourced encyclopedia of ME and CFS science and history.