On the breath that quiets pain

A patient is sitting in the X-ray waiting room of an orthopedic emergency department. She has acute pain. There is nothing to give her yet — imaging has not been read, the workup is incomplete. She has thirty minutes to wait. The standard advice is to rest, ice, elevate. There is now a better four-minute intervention.

A follow-up to last Tuesday's letter on the same five-minute breath practice, this time applied to a different problem — acute pain — and producing a result that should change how we use breathwork at the point of care.

The study.

A 2025 paper in the Journal of Behavioral Medicine ran a pilot trial in the X-ray waiting room of an orthopedic emergency department. Eighty-one adults waiting for imaging after acute injury were randomized to one of two interventions: a four-minute guided cyclic sighing audio, or a four-minute audio of standard injury management education (the protective-load-ice-compression-elevation protocol). The audios were narrated by the same person and matched for length, so the only variable was the content.

The numbers.

After four minutes, the cyclic sighing group reported pain unpleasantness scores dropping from 5.74 to 4.68 on a ten-point scale — nearly a full point of relief in a setting where most patients sit and wait without any intervention at all. Raw pain intensity dropped further, from 6.08 to 4.54, a reduction of more than 1.5 points. In the education control arm the changes were small.

The clinically meaningful number is the proportion of patients who reached the minimum clinically important difference for pain, a fifteen-percent reduction in pain intensity, the threshold at which the average patient says imediately "yes, it actually feels different." Forty-two percent of the cyclic sighing group reached that threshold. In the control arm it was nine percent. The breathing intervention was more than four times as likely to produce a meaningful reduction in acute pain than learning the standard injury protocol.

The interesting finding.

What the breath did not do in this trial is also informative. Cyclic sighing did not improve mood or anxiety in the four-minute window. The education arm's mood actually rose slightly, likely because learning a concrete plan gave the patient a sense of agency. So the pain relief from the breath was not an "I feel calmer therefore I notice the pain less" effect. The mechanism was more direct: vagal-tone increase quieting the autonomic component of acute pain, and the descending pain-modulation pathways activated faster than the cortex was processing emotional state.

The clinical use.

I now teach this to patients who use Ao Yi tea for ongoing pain support, and especially to the post-acute injury patient between vists. Four minutes of cyclic sighing during a flare. Four minutes before a needling session, so the patient arrives at the table already parasympathetic. The herbs work on the pharmacological layer of pain. The breath works on the autonomic layer. The two compose well.

With respect,
Dr. Lan
Your Herbal Pharmacist

Four formulas alongside the breath

Ao Yi Herbal Tea
Du Yi Wei. The internal pharmacological layer for ongoing pain.

Tibetan Foot Soaks
Draws yang downward — quiets the body before bed when pain flares at night.

Ao Yi Patch
Acupoint patches for local pain. The channel-level companion to the tea.

Stem and Leaf
Region-specific spinal teas — Thoracic Park, LumBear, Sacrocox, Sir Vickle.

Reference
Cyclic sighing in the clinic waiting room may decrease pain: results from a pilot randomized controlled trial. Journal of Behavioral Medicine. 2025. doi:10.1007/s10865-024-00548-5