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    Created in 2008, Phoenix Rising is the largest and oldest forum dedicated to furthering the understanding of, and finding treatments for, complex chronic illnesses such as chronic fatigue syndrome (ME/CFS), fibromyalgia, long COVID, postural orthostatic tachycardia syndrome (POTS), mast cell activation syndrome (MCAS), and allied diseases.

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lactate

  1. SNT Gatchaman

    Lactate: the ugly duckling of energy metabolism (Rabinowitz, 2020)

    Lactate: the ugly duckling of energy metabolism Rabinowitz JD, Enerbäck S Lactate, perhaps the best-known metabolic waste product, was first isolated from sour milk, in which it is produced by lactobacilli. Whereas microbes also generate other fermentation products, such as ethanol or acetone...
  2. M

    Is there an easy way to measure aerobic threshold?

    Ok, here is my issue. Like many of you, I have exertional intolerance. Mine is usually presented not as fatigue though, but as pain. I can go swimming for a little bit and be fine. However, I can extrapolate on intensity and experience post-exertional pain, tingling, petechiae, etc. That will...
  3. necessary8

    The RBC-NOX hypothesis

    The RBC-NOX hypothesis Hello again, everyone. Welcome, to the RBC-NOX hypothesis, which I consider by far my best idea yet. It connects the IDO metabolic trap, red blood cell deformability, craniocervical instability (including recoveries after surgery), Alan Light’s research on fatigue...
  4. Murph

    Abnormal blood lactate accumulation during repeated exercise testing in ME/CFS

    Abstra Physiol Rep. 2019 Jun;7(11):e14138. doi: 10.14814/phy2.14138. Abnormal blood lactate accumulation during repeated exercise testing in myalgic encephalomyelitis/chronic fatigue syndrome. Lien K1,2, Johansen B3, Veierød MB4, Haslestad AS1, Bøhn SK1, Melsom MN5, Kardel KR1, Iversen PO1,6...