Breathing trial finds an immediate saliva-marker change in people with diabetes
Modified Bhramari breathing raised salivary nitric oxide relative to slow breathing, but the abstract does not report whether dry-mouth symptoms improved.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
Among people with diabetes and dry mouth, modified Bhramari breathing produced a greater immediate increase in salivary nitric oxide than slow breathing. Some heart-rate variability measures also improved. The result is a short-term biological signal: the abstract does not report improvement in dryness, saliva flow, daily functioning or lasting symptom relief.
The abstract gives no nitric-oxide effect size or confidence interval, no post-session symptom result, and no later follow-up. Immediate laboratory changes cannot establish lasting relief.
What researchers found
Increase in salivary nitric oxide
Modified Bhramari versus slow breathing, immediately after 20 minutes. This reports statistical significance; the size of the difference was not provided.
What the saliva test shows
The study tested a single breathing session and measured saliva before and immediately afterward. Salivary nitric oxide was the main outcome; it is a chemical measurement, distinct from how dry the mouth feels.
Interpreting the heart-rate measurements
Several heart-rate variability measures also changed significantly. These measurements describe variation between heartbeats; they do not, by themselves, demonstrate improved cardiovascular health. The abstract provides no evidence about whether the changes persisted beyond the immediate assessment.
The original publication
Immediate Effect of Modified Bhramari Pranayama on Salivary Nitric Oxide Level among Type 2 Diabetes Mellitus with Xerostomia: A Randomized Controlled Trial.
Poojary G, Shetty S, Shetty P et al.
Int J Yoga · 2025
- PubMed ID
- 41743292
- Record checked
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