Acute Effects of Molecular Hydrogen Inhalation on Exercise-Induced Oxidative Stress, Vascular Responses, and Performance in National-Level Female Rowers: An Exploratory Pilot Case Series
Harada Yuusuke, Kibe Mayu, Miyakawa Michiko · 2026
Research-use notice
Independent study record
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The publication “Acute Effects of Molecular Hydrogen Inhalation on Exercise-Induced Oxidative Stress, Vascular Responses, and Performance in National-Level Female Rowers: An Exploratory Pilot Case Series” is organized in H2HUBB under the research focus hydrogen inhalation blood pressure study 2026. The publication is cited as Harada Yuusuke, Kibe Mayu, Miyakawa Michiko, 2026. This case report or case series examined Acute Effects of Molecular Hydrogen Inhalation on Exercise-Induced Oxidative Stress, Vascular Responses, and Performance in National-Level Female Rowers: An Exploratory Pilot Case Series. The abstract describes Human participants; sample size 4; hydrogen delivered as hydrogen inhalation. The abstract reports: Results: Post-exercise change differences were directionally consistent across participants for HDL-C (HL +2.5 mg/dL), LDL-C (HL +6.5 mg/dL), cholinesterase (HL +10.5 U/L), and venous…. This is an automated editorial draft based on the abstract and requires source review before publication.
Hydrogen inhalation blood pressure study 2026 overview
Objective: To generate hypotheses and assess feasibility of near-lower explosive limit (LEL) hydrogen inhalation (approximately 4% H2 in air) on post-exercise oxidative stress markers,… Because this is human clinical evidence, relevance depends on participant selection, controls, sample size, treatment duration, adherence, outcome measures, and replication.
Study design and hydrogen intervention
Publication type: Case report or case series. Evidence type: Human clinical evidence. Research model or population: Human participants. Sample size: 4. Randomized: Yes. Blinding: Double-blind. Control status: Unknown.
Delivery method: Hydrogen inhalation. Hydrogen concentration: 2.88 mm.
Reported findings and scientific interpretation
For this hydrogen inhalation blood pressure study 2026, the study record reports the following: The abstract reports: Results: Post-exercise change differences were directionally consistent across participants for HDL-C (HL +2.5 mg/dL), LDL-C (HL +6.5 mg/dL), cholinesterase (HL +10.5 U/L), and venous…
These findings should be interpreted as one piece of evidence rather than as a stand-alone medical conclusion. Results can be influenced by the research model, study design, treatment protocol, sample size, outcome selection, statistical methods, and whether the findings have been independently reproduced.
How this research record was prepared
H2HUBB organizes bibliographic details, study design information, intervention data, outcomes, limitations, and safety notes from the available scientific source. Automated classification supports database organization, but it does not replace critical reading of the complete paper. Source identifiers, evidence labels, and delivery-method fields are retained so readers can verify the record and compare it with related publications. A missing field means the information was unavailable or not reported in the structured source; it should not be treated as a negative finding.
Limitations, safety, and original source
Limitations: Case-report evidence cannot establish causality or broad generalizability.
The reported sample size was small.
Safety: Larger double-blind, counterbalanced randomized crossover trials with adequate washout, plasma volume correction, and pre-specified safety endpoints are warranted.
This H2HUBB page is an educational research record, not medical advice. Review the original scientific source for the complete methods and results. Continue exploring the H2HUBB Molecular Hydrogen Research Library to compare evidence types, delivery methods, and related topics.