Molecular Hydrogen in Immune Research: Models and Limits
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Evidence status M3: The existing slug is read here as a research question. This article explains why model, comparator and endpoint must be assessed separately. It makes no statement about protection, people or products.
What a measured endpoint describes
Evidence status M3: A laboratory parameter is first a measurement defined in a study plan. The CONSORT statement: Schulz, Altman and Moher (2010) describes how intervention, comparator and endpoint can be reported in randomised studies. This methods source is not an H₂ primary study.
H1: The human question remains open
Evidence status H1: A statement about people would require a verified H₂ primary study with a defined population, comparator and prespecified immune-related endpoint. This article does not document a suitable source. That is a visible evidence gap, not a statement about an effect.
L2 is not a shortcut
Evidence status L2: A cell or animal model would answer only its own model question and could not be transferred to people. This article uses no such finding as a substitute. Read cell models in their research frame for that level of evidence.
N: Limits of the statement
Evidence status N: This article makes no statement about immune strengthening, protection, prevention, safety, amount or product use. The molecular-hydrogen pillar explains evidence levels. Separate microbiome research and review study types lead to neighbouring methods questions.
Conclusion
Evidence status N: Without a suitable primary source, the human research question remains open. Model, endpoint and comparator are the limits that must remain visible before any further interpretation.
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