Lung rehab is the best-tested breathing help for COPD, yet few patients ever start it

Key takeaways

• Of 197,376 Medicare patients hospitalized for COPD in 2014, only 1.5% started pulmonary rehab within 90 days and about 3% within a year; early starters were less likely to die within a year, though the study can’t prove rehab was the reason¹.
• A Cochrane review of 65 trials found that pulmonary rehab eased COPD breathlessness and improved quality of life by amounts patients notice³⁴.
• A handheld breathing-muscle trainer helped people with COPD when used on its own, but it added little on top of a rehab program, a 2023 review of 55 trials found⁶.
• Training the breathing muscles before heart or belly surgery cut pneumonia from about 83 to 37 cases per 1,000 patients in Cochrane’s estimate, though the trials were small⁷⁸.
• Breathing retraining for asthma and a singing-based program for long COVID helped people feel better without changing lung tests, so neither replaces an inhaler, prescribed oxygen or a 911 call⁹¹⁰¹⁴.

In 2014, 197,376 people with Medicare were sent home from U.S. hospitals after a flare-up of chronic obstructive pulmonary disease, or COPD¹. That’s the lung disease that includes emphysema and chronic bronchitis.

Within 90 days, only 2,721 of them had started pulmonary rehabilitation. That’s 1.5%, or about 1 in 67 by our math¹. Another 1.6% started later in the year¹. By our math, that leaves roughly 97 in 100 who hadn’t begun within 12 months.

Pulmonary rehab is a supervised program of exercise, education and coaching for people with lung disease². In that Medicare study, 7.3% of the early starters died within a year, compared with 19.6% of everyone else¹.

That gap is striking, but it comes from records, not a trial. People healthy enough to attend rehab may have been likelier to survive anyway, and the authors warned that hidden differences could explain part of it¹.

The national picture is similar. In 2023, the American Thoracic Society (ATS) wrote that fewer than 5% of people with COPD who might benefit from rehab ever get it².

This article sorts what breathing training can and can’t do for COPD, asthma, long COVID and surgery. For breathing to ease stress, see our articles on breath awareness and on beginner breathing exercises.

Sixty-five trials agree: rehab eases COPD breathlessness

In 2015, a team led by Bernard McCarthy for Cochrane, an independent research network, pooled 65 randomized trials of pulmonary rehab with 3,822 people who had COPD³⁴. In a randomized trial, chance decides who gets the treatment.

Rehab eased breathlessness by 0.8 points on a 7-point scale and improved quality-of-life scores by about 8 points on a 100-point scale⁴. Both gains passed the size that patients typically notice³⁴. People also walked about 40 meters farther in a timed test⁴.

The results were consistent enough that the reviewers said more trials comparing rehab with usual care weren’t needed⁵. Programs built on exercise alone did about as well as more complex ones⁴.

The ATS guideline from 2023 gives rehab a strong recommendation for three groups²:

• people with stable COPD;
• people with COPD who were just in the hospital for a flare-up;
• people with interstitial lung disease, a group of conditions that scar the lungs.

It gives a weaker, conditional recommendation for pulmonary hypertension, which is high blood pressure in the lungs².

In 12 trials with 1,309 people, starting rehab within three weeks of discharge cut the odds of going back to the hospital roughly in half². Trials didn’t show a clear drop in deaths, though².

Most COPD programs in the research ran 8 to 12 weeks². Exercise training, education and help changing habits form the core, and some programs add breathing retraining².

Evidence rating: strong evidence that rehab eases breathlessness and improves quality of life in COPD²³.

Why so few people go, and how to get a seat

The ATS panel named the usual barriers: too few program slots, especially in rural areas, long drives and clinicians who don’t think to refer². Money is part of it. The panel called payments from Medicare, Medicaid and other insurers extremely low, a threat to many center-based programs².

For people with stable lung disease, the ATS strongly recommends offering a choice between a center and telerehabilitation, meaning rehab supervised from a distance².

At the CHEST 2026 annual meeting, as HCPLive reported in October, Omid Pourshahid, who directs pulmonary rehab at Temple University Hospital, argued that doctors should treat a rehab referral as a prescription, as seriously as ordering an inhaler¹⁵.

What you can do:

• Ask for a referral before you leave the hospital after a COPD flare-up².
• If the nearest program is far away, ask whether a home or video option exists².
• Ask what your plan covers; Medicare does pay for rehab². “A trainer coaches your squat while a physical therapist treats what hurts” explains who qualifies.

Breathing-muscle trainers help on their own, not on top of rehab

Inspiratory muscle training uses a small handheld device. You breathe in against resistance, which makes the muscles of breathing work harder, a bit like a resistance band for your diaphragm.

In 2023, a Cochrane team pooled 55 trials of this training in COPD⁶. Only 8 were judged at low risk of bias, so the results come with caveats⁶.

Used alone. In 37 trials with 1,021 people, training compared with no training or a fake device helped people walk about 36 meters farther, with moderate certainty⁶. Scores on a standard COPD symptom test improved by about 3 points⁶. Breathlessness may have eased, but the evidence there was weak⁶.

Added to rehab. In 22 trials with 1,446 people, adding a trainer to a rehab program made little or no difference to breathlessness or quality of life⁶. Walking distance rose by about 6 meters, well below the 26 meters the reviewers counted as meaningful⁶.

Side effects were rarely reported, and one study abstract called them minor and short-lived⁶. The reviewers couldn’t confirm whether people with especially weak breathing muscles, or those who train longer, gain more⁶.

So a trainer looks most useful when rehab isn’t an option. For pursed-lip and belly breathing, two techniques often used for breathlessness, see our beginner breathing guide.

Evidence rating: promising but early for a trainer alone. For the idea that a trainer adds real benefit on top of rehab: evidence says no, or unsafe. Here that means tested without a meaningful gain, not a safety problem⁶.

Before major surgery, breathing-muscle training may prevent pneumonia

Pneumonia and collapsed lung tissue can follow heart and belly operations. A 2015 Cochrane review led by Morihiro Katsura asked whether breathing-muscle training beforehand helps prevent them⁷.

It pooled 12 trials with 695 adults waiting for planned heart surgery (5 trials) or major abdominal surgery (7 trials)⁷. People who trained had fewer cases of pneumonia and of atelectasis, a partial collapse of lung tissue, and shorter hospital stays⁷.

In Cochrane’s estimate, out of 1,000 patients at moderate risk, about 83 would get pneumonia without training and about 37 with it⁸. By our math, that’s about 46 fewer cases per 1,000, or roughly 1 case prevented for every 22 people who train.

The effect on deaths was too uncertain to call⁷. No trial that tracked side effects found any⁷.

The caveats are real. Patients knew whether they were training, every trial had some risk of bias, and small studies can overstate effects⁷. The reviewers noted that people can train at home with a physiotherapist overseeing them⁷.

If you have a major operation scheduled weeks out, ask your surgeon whether breathing-muscle training or a broader “prehab” plan fits you. Our article on returning to exercise after illness covers prehab programs.

Evidence rating: promising but early⁷⁸.

Asthma: retraining eased how people felt, not what their lungs measured

The largest test of asthma breathing retraining is the BREATHE trial, published in 2018 by Anne Bruton and colleagues in England⁹.

They enrolled 655 adults, ages 16 to 70, whose asthma was dragging down their quality of life, at 34 family practices⁹. People got a video program with a booklet, three in-person sessions with a respiratory physiotherapist, or usual care⁹. The lessons covered belly and nose breathing, slow breathing, short breath holds and relaxation⁹.

After a year, both retraining groups scored better on an asthma quality-of-life questionnaire than the usual-care group, and the video worked as well as in-person sessions⁹. The average gains were modest. But 62% of the video group had a gain big enough to notice, compared with 56% with usual care⁹. By our math, that’s about 6 more people per 100 who felt a real difference.

What didn’t change matters as much. Lung function, a breath test of airway inflammation and asthma-control scores stayed about the same⁹. Attacks were less common with retraining, but the difference could have been chance⁹.

The video cost about £2.85 per person to deliver, versus £83.45 for in-person sessions⁹. Britain’s National Institute for Health and Care Research paid for the trial and had no role in running it⁹.

The authors called retraining an add-on to medicine that doesn’t cure asthma⁹. They noted that British (BTS/SIGN) and global (GINA) asthma guidelines of the time endorsed it for people whose symptoms stay uncontrolled on standard medicines⁹.

Our breath awareness article covers the 2020 Cochrane review of asthma breathing exercises and the Buteyko method. Our asthma article covers medicines.

Evidence rating: promising but early⁹.

Long COVID and singing: a lift in mood, a small dent in breathlessness

The English National Opera built an online program that teaches breathing through singing, and in 2021 researchers tested it in people with long COVID¹⁰.

A trial led by Keir Philip included 150 adults referred from 51 long COVID clinics in the UK¹⁰. All were still short of breath at least four weeks after infection¹⁰. Half joined a six-week online program of breathing retraining built on singing techniques, and half got usual care¹⁰.

The program raised scores on the mental-health part of a standard quality-of-life survey by about 2.4 points, a modest gain that only just cleared the bar for statistical significance¹⁰. The physical-health score didn’t change¹⁰. Breathlessness while running eased, but other breathing and anxiety measures showed no clear difference¹⁰. One person reported dizziness after a long stretch at the computer¹⁰.

The trial appeared in 2022. An Imperial College London scholarship and Britain’s National Institute for Health and Care Research funded the research, and the opera’s patrons and donors supported the program¹⁰.

Singing has been tested in COPD, too. A 2017 Cochrane review found three small trials with 112 people who sang in supervised groups once or twice a week for 6 to 24 weeks¹¹.

Their physical quality-of-life scores improved¹¹. Breathlessness and lung-specific quality of life didn’t, and the evidence was low quality¹¹. No harms were reported¹¹.

If exertion leaves you wiped out for days, read our article on returning to exercise after illness first. It explains pacing.

Evidence rating: promising but early for both¹⁰¹¹.

A five-minute breathing workout lowered blood pressure in one small trial

At the University of Colorado Boulder, Daniel Craighead’s team tested 36 adults ages 50 to 79 whose top blood pressure number was 120 or higher¹²¹³. Half did 30 hard breaths a day against strong resistance, six days a week for six weeks¹². The other half used a sham setting at very low resistance, and neither group knew which one it had¹².

Systolic pressure, the top number, fell from about 135 to 126 in the training group¹². People completed about 95% of their sessions¹². Most of the drop was still there six weeks after they stopped¹³.

That’s 36 people, so it’s a start, not proof. The university said a larger federally funded trial of about 100 people was planned, and it advised checking with a doctor before starting¹³. If you take blood pressure medicine, a trainer is something to add only with your clinician’s knowledge.

For trainers and “altitude” masks in sports, see our article on breathing during exercise.

Evidence rating: promising but early¹²¹³.

The breathing-training menu for lung conditions

This menu is ours, built from the studies above. Bring it to your clinician or rehab team.

Condition	Technique	Best evidence	Rating	Where to get it
COPD	Pulmonary rehab: exercise, education, breathing skills	Less breathlessness, better quality of life in 65 trials34	Strong evidence	Referral to a center or a telerehab program2
COPD, just out of the hospital	Rehab started within three weeks	Fewer readmissions in 12 trials2	Strong evidence	Ask before discharge2
COPD, rehab out of reach	Breathing-muscle trainer alone	About 36 meters more walking in 37 trials6	Promising but early	Ask your clinician or a respiratory physiotherapist to set it up
COPD, already in rehab	Adding a trainer for extra gains	Little or no extra benefit in 22 trials; no safety signal6	Evidence says no, or unsafe (no added benefit)	Not needed for most people
COPD	Group singing	Better physical quality of life in 3 small trials; breathlessness unchanged11	Promising but early	Ask your rehab team about local groups
Asthma that limits daily life	Physiotherapist breathing retraining, in person or by video	Better quality of life, no change in lung tests9	Promising but early	Ask your asthma clinician about a respiratory physiotherapist
Long COVID breathlessness	Online singing-based program	Better mental well-being, less breathlessness running10	Promising but early	Long COVID clinic referral10
Before heart or belly surgery	Breathing-muscle training	Fewer pneumonias in 11 trials78	Promising but early	Ask at your pre-surgery visit7
Above-normal blood pressure, ages 50 to 79	Five minutes of high-resistance breaths	About 9 points lower systolic in one 36-person trial1213	Promising but early	Check with your clinician first13

Breath, song and movement are old medicine, and rehab is where they’re tested

Many natural-health readers already trust what rehab is made of: walking, strength work, steady breathing and a supportive group. Singing together comes from community life, not a pharmacy, and in small trials it lifted physical well-being in COPD¹¹.

Rehab is self-reliance with a coach. You build the fitness, and the team watches your oxygen, adjusts the load and teaches skills you keep².

The lesson from the trials: match the tool to the job. Breathing practice can help you feel better, move farther and recover from surgery more safely. But in the biggest asthma trial it didn’t change lung function⁹, and we found no trial testing it in place of prescribed oxygen.

Questions readers ask

The bottom line

For COPD, pulmonary rehab has the strongest evidence of any breathing-related program, and it reaches only a small share of the people who could use it. Ask for it, ask about home options and ask early after a hospital stay.

Other breathing tools have narrower jobs. A trainer helps when rehab isn’t available, training before surgery may prevent pneumonia, and retraining or singing can help people with asthma or long COVID feel better. None of them replaces an inhaler, prescribed oxygen or a 911 call.

Related reading

• Five gentle breathing exercises to learn first, where slowing down does most of the work
• Watching your breath eases stress a little, while forceful breathwork near water can kill
• A trainer coaches your squat while a physical therapist treats what hurts
• What replaced the rescue-inhaler-only asthma plan that global experts dropped
• Most coughs can wait a few days, but these breathing symptoms can’t

Sources

1. Lindenauer PK, Stefan MS, Pekow PS, et al. “Association Between Initiation of Pulmonary Rehabilitation After Hospitalization for COPD and 1-Year Survival Among Medicare Beneficiaries.” JAMA, 2020;323(18):1813-1823. pubmed.ncbi.nlm.nih.gov
2. Rochester CL, Alison JA, Carlin B, et al. “Pulmonary Rehabilitation for Adults with Chronic Respiratory Disease: An Official American Thoracic Society Clinical Practice Guideline.” American Journal of Respiratory and Critical Care Medicine, 2023;208(4):e7-e26, doi:10.1164/rccm.202306-1066ST (Hasselt University repository copy). doi.org
3. McCarthy B, Casey D, Devane D, Murphy K, Murphy E, Lacasse Y. “Pulmonary rehabilitation for chronic obstructive pulmonary disease.” Cochrane Database of Systematic Reviews, 2015, CD003793.pub3 (summary of findings). cochranelibrary.com
4. NIHR Evidence. “Pulmonary rehabilitation improves quality of life and exercise capacity.” National Institute for Health and Care Research, July 1, 2015. evidence.nihr.ac.uk
5. International Primary Care Respiratory Group. Summary of “Pulmonary rehabilitation for chronic obstructive pulmonary disease” (McCarthy et al., Cochrane, 2015). IPCRG. ipcrg.org
6. Ammous O, Feki W, Lotfi T, et al. “Inspiratory muscle training, with or without concomitant pulmonary rehabilitation, for chronic obstructive pulmonary disease (COPD).” Cochrane Database of Systematic Reviews, 2023, CD013778.pub2 (plain-language summary and abstract). cochrane.org
7. Katsura M, Kuriyama A, Takeshima T, Fukuhara S, Furukawa TA. “Preoperative inspiratory muscle training for postoperative pulmonary complications in adults undergoing cardiac and major abdominal surgery.” Cochrane Database of Systematic Reviews, 2015, CD010356.pub2 (plain-language summary). cochrane.org
8. Katsura M, et al. Same review, summary of findings table. Cochrane Library, October 5, 2015. cochranelibrary.com
9. Bruton A, Lee A, Yardley L, et al. “Physiotherapy breathing retraining for asthma: a randomised controlled trial.” The Lancet Respiratory Medicine, 2018;6:19-28 (University of Southampton repository copy). pubmed.ncbi.nlm.nih.gov
10. Philip KEJ, Owles H, McVey S, et al. “An online breathing and wellbeing programme (ENO Breathe) for people with persistent symptoms following COVID-19: a parallel-group, single-blind, randomised controlled trial.” The Lancet Respiratory Medicine, 2022;10(9):851-862 (Brunel University repository record). bura.brunel.ac.uk
11. McNamara RJ, Epsley C, Coren E, McKeough ZJ. “Singing for adults with chronic obstructive pulmonary disease (COPD).” Cochrane Database of Systematic Reviews, 2017, CD012296 (plain-language summary). cochrane.org
12. Craighead DH, Heinbockel TC, Freeberg KA, et al. “Time-Efficient Inspiratory Muscle Strength Training Lowers Blood Pressure and Improves Endothelial Function, NO Bioavailability, and Oxidative Stress in Midlife/Older Adults With Above-Normal Blood Pressure.” Journal of the American Heart Association, July 2021 (DOAJ record). pubmed.ncbi.nlm.nih.gov
13. University of Colorado at Boulder. “5-minute breathing workout lowers blood pressure as much as exercise, drugs” (news release via ScienceDaily; we cite its study details, not its headline comparison). June 30, 2021. sciencedaily.com
14. MedlinePlus, National Library of Medicine. “Breathing difficulties – first aid.” Review date January 8, 2025. medlineplus.gov
15. Pourshahid O, as reported in “Tailoring pulmonary rehab to close COPD gap.” HCPLive (medical trade press), October 18, 2026. hcplive.com