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    Effectiveness of exercise for improving cognition, memory and executive function: a systematic umbrella review and meta-meta-ana..., 2025, Maher et al

    Maybe we need a meta study (or meta-meta-meta study) about the uselessness of these meta studies? It's not totally useless. Reading the abstract made me think of another complication in exercise/cognition studies: some exercises are more likely to allow the participants to do cognitive...
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    The subfornical organ is a nucleus for gut-derived T cells that regulate behaviour 2025 Wang et al

    I'm not sure how fast the connection between gut and these brain-resident t-cells is. If you gain or lose a specific strain in your colon, how long does it take for the brain's response to signals from the body to change? I've had some ME-related food intolerances come and go quite abruptly...
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    The subfornical organ is a nucleus for gut-derived T cells that regulate behaviour 2025 Wang et al

    I'm more surprised that tiny bits of our brains don't mess us up more frequently. Just one transistor or angstroms thin trace in a computer failing can cause it to crash. We evolved various repair and bypass mechanisms because individuals without them didn't survive as well. We probably have...
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    'Three best' questions to ask GP if they ignore you

    That's my experience too. Doctors, especially in busy clinics, don't seem to be responsible for the patient's well-being, but rather responsible only for doing the accepted set of tests and prescriptions for the complaints. If nothing shows up on the basic tests, job done, bye. However, the...
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    Ligaments and tendons

    I'm trying to recover from tendinopathy from playing a computer game too long. I'm doing the recommended exercises, and handsawing firewood ( I think that should boost healing), but it does take time. I think in my case it's less ME-related and more just getting old.
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    Virus-Induced Endothelial Senescence as a Cause and Driving Factor for ME/CFS and Long COVID: Mediated by a Dysfunctional Immune System, 2026, Nunes +

    I think this theory fails due to PWME reporting developing the disease without having an acute viral infection. I don't know how rapidly the proposed mechanism acts. Could it explain the abrupt switching of state (full ME to full not-ME within minutes)? It seems testable by measuring cerebral...
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    Could nerve damage or retrograde microtubule based transport in axons explain the delay associated with PEM?

    I think this hypothesis would fail due to lack of evidence of delay correlating with distance from the muscles that were exerted. AFAIK, most PWME report fairly consistent delays, while the nerve damage hypothesis would involve a wide range of delays.
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    Gut microbiome tool; Gut Microbiome Wellness Index 2 (GMWI2)

    I'm a bit skeptical about the reliability. There are so many factors involved that a microbiome pattern that's good for one person might be bad for another. Wouldn't the study more likely be finding correlations between health and breakfasts of Count Chocular vs oatmeal with a kale smoothie...
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    Cyberchondria, somatic symptoms, and internet-based self-diagnosis among the Saudi population 2025 Ibrahim et al

    Right, and the official information might be CBT and GET, or whatever else is trendy with bureaucrats at the moment.
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    Intelligent Eye Tracker Integrated with Cylindrical Capacitive Sensors for Chronic Fatigue Assessment, 2025, Li et al

    It would be interesting if ME's "fatigue-like symptom" was different from regular fatigue as measured by this system.
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    ME/CFS as a biological information processing problem

    Oh no, my hypothalamus is defective! It's been way longer than four days since I ate greens--longer than four months in fact--and my hypothalamus remains silent. Is whichever part of the brain actually listens to the hypothalamus wearing earplugs? Do typical people really crave greens every...
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    Notice about a forthcoming paper: A Proposed Mechanism for ME/CFS Invoking Macrophage Fc-gamma-RI and Interferon Gamma

    I think it also allows for feedback loops that can lock into a state. A subtle shift here, another there, and it gets stuck, without giving a dramatic change in any one part for tests to reveal. What I'm wondering about is how easy it will be to actually test the theory.
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    Coping with heat

    Glass does change over time. Fresh glass is easier to cut cleanly than older glass. A film might change the number of water molecules on the glass, which changes fracture characteristics. Neat trick: if you need to cut a curved shape out of glass, use ordinary scissors, with the glass held...
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    Coping with heat

    I think vertical doors (that let cold air whoosh out) vs horizontal ones (chest freezer) makes a bigger difference than fridge vs freezer. Thermoelectric coolers are dramatically less efficient at pumping heat. Yesterday I decided to play a game on my ~60W computer. My room was 12C when I...
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    Coping with heat

    Yes. The original comment was about putting ice in front of a fan, but it didn't specify that it was to reduce temperature on skin, rather than cool the room. There are people who would try the latter, because they believe that a fridge somehow creates cold, rather than pumps the heat into the...
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    Coping with heat

    It's a matter of relative thermal masses. The freezer simply pumps heat from the ice packs inside the freezer to the air outside the freezer, plus adds some extra heat due to inefficiency, so you never reduce the total heat in the house. A small ice pack in a large house won't make a...
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    ME/CFS as a biological information processing problem

    At first I thought it would be microglia, just because my symptoms got worse with tryptophan, and IIRC, microglia process that while astrocytes don't. That was ~20 years ago, while I was just beginning to learn about brain cells. Astrocytes have some properties that would fit as well. There...
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    ME/CFS as a biological information processing problem

    I was under the impression that circulating cytokines trigger glial cells, which in turn cause "flu-like symptoms".
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    Mental activity causing physical PEM, specific symptom patterns?

    Cognitively-induced PEM might depend on the specific cognitive activity, and vary with the individual. One person might trigger on visual processing, while another on word-searching or math. I think emotional triggers are also common, although I'm not sure what level of processing is involved...
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    I got fooled by AI-for-science hype—here's what it taught me. Nick McGreivy 2025

    I think some people are taking my post the wrong way. If it's about having a computer adjust music for me, I mean that while I'm reading, or composing something on this forum, I like having non-invasive background music. At other times, I might prefer something a bit more stimulating or...
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