Also known as: buteyko breathing
Latest evidence update: 2026-02-01
Strongest in Recency (100). Held back by Sample size (10).
Solid mix of RCTs with some methodological gaps.
Few independent replications; results not yet robust.
Small combined sample; treat as preliminary.
Mixed direction across studies.
Most studies are recent (last 2-3 years).
No per-outcome numbers yet for this one. Each finding's direction and strength is shown in the research below.
Breathing through the nose filters, warms, and humidifies air, produces nitric oxide, and improves oxygen uptake.
Oral breathing produced modestly greater post-exercise reductions in FEV1, PEF, FEF25-75, and FEV1/FVC than nasal breathing, regardless of environmental condition.
Buteyko breathing technique combined with standard asthma treatment significantly improves quality of life in children aged 7-12 years with asthma.
Buteyko breathing technique reduces fatigue in patients with acute coronary syndrome.
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