• Welcome to Phoenix Rising!

    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.

    To become a member, simply click the Register button at the top right.

leonard jason

  1. C

    Leonard Jason presents findings

    I think the paper was paywalled.
  2. C

    Pre-Illness Data reveals Differences in Multiple Metabolites and Metabolic Pathways in Those Who Do and Do Not Recover from Inf... (Jason et al, 2022)

    Pre-Illness Data reveals Differences in Multiple Metabolites and Metabolic Pathways in Those Who Do and Do Not Recover from Infectious Jason et al, 2022 Abstract Metabolic pathways related to energy production, amino acids, nucleotides, nitrogen, lipids, and neurotransmitters in myalgic...
  3. Pyrrhus

    Updated ME/CFS prevalence estimates reflecting post-COVID increases and associated economic costs and funding implications (Mirin et al., 2022)

    Updated ME/CFS prevalence estimates reflecting post-COVID increases and associated economic costs and funding implications (Mirin et al., 2022) https://doi.org/10.1080/21641846.2022.2062169 From the amazing Art Mirin, Mary Dimmock, and Lenny Jason: (spacing and emphasis added)
  4. Pyrrhus

    Identifying and Managing Suicidality in ME/CFS (Chu et al., 2021)

    Identifying and Managing Suicidality in ME/CFS (Chu et al., 2021) https://www.mdpi.com/2227-9032/9/6/629 Abstract: (spacing added for readability)
  5. Pyrrhus

    Predictors for Developing Severe ME/CFS following acute EBV (Jason et al., 2022)

    Predictors for Developing Severe ME/CFS following Infectious Mononucleosis (Jason et al., 2022) https://www.rehabiljournal.com/articles/predictors-for-developing-severe-myalgic-encephalomyelitischronic-fatigue-syndrome-following-infectious-mononucleosis.html A study from Lenny Jason that...
  6. Pyrrhus

    Saliva fatigue biomarker index as a marker for severe ME/CFS in a community based sample (Jason et al., 2021)

    Saliva fatigue biomarker index as a marker for severe ME/CFS in a community based sample (Jason et al., 2021) https://doi.org/10.1080/21641846.2021.1994222 Excerpt:
  7. Pyrrhus

    Cortical autonomic network connectivity predicts symptoms in ME/CFS (Zinn and Jason, 2021)

    Cortical autonomic network connectivity predicts symptoms in ME/CFS (Zinn and Jason, 2021) https://doi.org/10.1016/j.ijpsycho.2021.10.004 Excerpt: (spacing added for readability)
  8. nerd

    Patient perceptions of infectious illnesses preceding Myalgic Encephalomyelitis/Chronic Fatigue Syndrome

    Authors: Leonard A Jason, Samuel Yoo, Shaun Bhatia Published: 2021 Sep 20 PMID: 34541918 doi: 10.1177/17423953211043106 Abstract
  9. Pyrrhus

    Causal attributions and perceived stigma for ME/CFS (Froehlich et al., 2021)

    Causal attributions and perceived stigma for ME/CFS (Froehlich et al., 2021) Laura Froehlich, Daniel BR Hattesohl, Joseph Cotler, Leonard A Jason, Carmen Scheibenbogen, Uta Behrends https://journals.sagepub.com/doi/10.1177/13591053211027631 I haven't read the full paper, but I believe the main...
  10. Pyrrhus

    Central Autonomic Network Disturbance in ME/CFS: A Pilot Study (Zinn, Zinn, and Jason, 2021)

    Central Autonomic Network Disturbance in ME/CFS: A Pilot Study (Zinn, Zinn, and Jason, 2021) https://www.neuroregulation.org/article/view/21387/14065 A new EEG publication with eLORETA analysis from Mark and Marcie Zinn (RIP). An ElectroEncephaloGram (EEG) is a simple, inexpensive technique...
  11. Pyrrhus

    Parent-child discrepancies in health-related quality of life of children and adolescents with ME/CFS (Ekberg et al., 2021)

    Parent-child discrepancies in health-related quality of life of children and adolescents with ME/CFS (Ekberg et al., 2021) Krista M. Ekberg, Chelsea Torres & Leonard A. Jason https://link.springer.com/article/10.1007/s11136-021-02919-w Excerpt:
  12. Pyrrhus

    COVID-19 symptoms over time: comparing long-haulers to ME/CFS (Jason et al., 2021)

    Gotta love Lenny Jason! COVID-19 symptoms over time: comparing long-haulers to ME/CFS (Jason et al., 2021) Leonard A. Jason, Mohammed F. Islam, Karl Conroy, Joseph Cotler, Chelsea Torres, Mady Johnson & Brianna Mabie https://www.tandfonline.com/doi/abs/10.1080/21641846.2021.1922140 Excerpt:
  13. Pyrrhus

    The development of an instrument to assess post-exertional malaise in patients with ME/CFS (Jason et al., 2018)

    This paper establishes a questionnaire that can measure Post-Exertional Malaise (PEM). (I don't think this paper from 2018 has been discussed yet.) The development of an instrument to assess post-exertional malaise in patients with myalgic encephalomyelitis and chronic fatigue syndrome (Jason...
  14. Pyrrhus

    Risks for Developing ME/CFS in College Students Following Infectious Mononucleosis: A Prospective Cohort Study (Jason et al., 2020)

    A recent, significant, publication from the team of Leonard Jason. What makes this study significant is the fact that they started out with average university students, followed them to see how many of them caught an acute Epstein-Barr Virus (EBV) infection, and then followed those people to...
  15. Pyrrhus

    Meta-analysis investigating post-exertional malaise between patients and controls (Brown and Jason, 2018)

    This paper establishes Post-Exertional Malaise (PEM) as a cardinal symptom in ME. (I don't think this paper from 2018 has been discussed yet.) Meta-analysis investigating post-exertional malaise between patients and controls https://journals.sagepub.com/doi/10.1177/1359105318784161 Excerpt:
  16. Pyrrhus

    STAT: Seeking the causes of post-Covid symptoms, researchers dust off data on college students with mononucleosis

    For those of you unfamiliar with STAT, it's a website geared towards the medical community. They just published a piece by David Tuller, the academic who wrote the PACE expose: https://www.statnews.com/2020/09/11/persistent-symptoms-after-covid19-hard-to-study/ Excerpt:
  17. Murph

    Cortical Hypoactivation During Resting EEG Suggests Central Nervous System Pathology

    Biol Psychol. 2018 May 23. pii: S0301-0511(18)30407-1. doi: 10.1016/j.biopsycho.2018.05.016. [Epub ahead of print] Cortical Hypoactivation During Resting EEG Suggests Central Nervous System Pathology in Patients with Chronic Fatigue Syndrome. Zinn MA1, Zinn ML1, Valencia I2, Jason LA3, Montoya...
  18. D

    The importance of a research case definition

  19. mango

    Zinn, Zinn, Jason: Functional Neural Network Connectivity in Myalgic Encephalomyelitis

    Functional Neural Network Connectivity in Myalgic Encephalomyelitis. Zinn, M. L., Zinn, M. A., & Jason, L. A. (2016). NeuroRegulation, 3(1), 28–50. Abstract Myalgic Encephalomyelitis (ME) is a chronic illness with debilitating neurocognitive impairment that remains poorly understood...
  20. mango

    Zinn, Zinn, Jason: Intrinsic Functional Hypoconnectivity in Core Neurocognitive Networks

    Intrinsic Functional Hypoconnectivity in Core Neurocognitive Networks Suggests Central Nervous System Pathology in Patients with Myalgic Encephalomyelitis: A Pilot Study. Zinn ML1, Zinn MA2, Jason LA2. Author information 1Department of Community Psychology, Center for Community Research...
  21. mango

    Jason et al qEEG/LORETA in Assessment of Neurocognitive Impairment in a Patient with CFS

    qEEG / LORETA in Assessment of Neurocognitive Impairment in a Patient with Chronic Fatigue Syndrome: A Case Report Marcie L Zinn*, Mark A Zinn, Leonard A Jason DePaul University, Center for Community Research, Chicago, IL Abstract Importance: Chronic Fatigue Syndrome (CFS) is a chronic...
  22. D

    Contrasting Case Definitions: ME International Consensus Criteria vs. the Fukuda et al. CFS Criteria

    One can see the start of the article at: http://www.questia.com/library/1G1-322563471/contrasting-case-definitions-the-me-international There is also a button at the end: Read the full-text article, try us out FREE today I have the full paper printed (not sure I saved it). All the data is in the...