See title and evidence table for the studied intervention.,
does it really help with The stated clinical outcome in the title.?
research showsThe grade is D with 28 points. The cited primary source was checked directly; see the Korean text and evidence table for exact arm-level results.
ads claimMarketing should stay within the studied population, intervention, comparator, endpoint, and duration.
Useful facts when choosing a product
- The primary source was checked directly.
- Full text was unavailable, so condition-level means, standard deviations, and sample sizes could not be verified.
What the research actually shows
The pivotal study design, sample, funding, endpoint, and numerical result are listed in the evidence table.
Why this is classified as D (28)
The humming-specific effect was null, while condition-level means, standard deviations, and sample sizes could not be verified without the full text.
Counterpoint. Important limitations and alternative evidence are reported in the Korean text.
Rejudgment record. Cross-check applied — Null humming-versus-slow-breathing result and unavailable condition-level means, standard deviations, and sample sizes because full text was unavailable
| Endpoint | P | Patient-reported treatment goal - the symptom is the goal |
| Replication | R1 | Single confirmatory trial |
| Independence | I1 | Mixed funding sources |
| Effect size | E0 | Null |
| Precision | CX | No pooled confidence interval could be confirmed |
The scoring table and the verdict agree (D).
Sub-claim grades by effect
This ingredient is marketed for several effects. A single overall grade blends strong and weak claims together, so each effect is graded separately here. The overall grade reflects the strongest disconfirming or core claim.
| Effect (sub-claim) | Grade | Basis |
|---|---|---|
| Primary claim | D | The grade is D with 26 points. The cited primary source was checked directly; see the Korean text and evidence table for exact arm-level results. |
Cross-check — Codex and Claude
Evidence Table
| Study | Design | Sample | Funding | Endpoint | Result | Weight |
|---|---|---|---|---|---|---|
| Woo M, Kim T. 2025 | See cited source | 16 | Could not be verified; only a no-conflict statement was confirmed | Anxiety VAS and heart-rate variability | No significant VAS or HRV difference between humming and slow breathing; numeric condition-level results could not be verified | Pivotal evidence |
Receipt — 1 References
All 1 cited sources were verified for existence at the original page (as of 2026-08-07).
Reviewed and approved: Chamgap Editorial Team · Approval date: 2026-08-07 · Corrections: none
Cite this verdict
[Chamgap] Verdict 2408: humming breathing acute anxiety — Evidence Grade D·28. 1 cited sources checked. Source: https://chamgap.com/en/verdicts/mood/humming-breathing-acute-anxiety/ · CC BY 4.0CC BY 4.0 — free to use with attribution; do not distort grades, numbers, or verdict meaning.
What this document does and does not do
Chamgap is an information source. It reports what research has and has not confirmed; it does not tell readers what to take or buy. That decision belongs to readers and, when needed, medical or legal professionals. This verdict reflects literature available up to the search date and may change as new research appears. Nothing here is medical advice.