Laughter therapy eases symptoms for patients with chronic obstructive pulmonary disease, according to a clinical trial presented by researchers at the European Respiratory Society Congress in Spain. The study, conducted by Hacettepe University Faculty of Nursing investigators at Ankara Bilkent City Hospital in Turkey, found that structured laughter exercises matched the respiratory benefits of established breathing techniques while offering a low-cost, accessible option for managing a debilitating illness.
Clinical Trial Results for Laughter Therapy in COPD Care
Nearly 16 million U.S. adults live with chronic obstructive pulmonary disease, a progressive condition characterized by airway swelling and obstructed airflow. According to the Centers for Disease Control and Prevention, the disease causes frequent coughing, wheezing, and exercise limitations. Patients often face an annual medical cost of $16,000, compared to $6,000 for individuals without the condition, according to the American Lung Association data cited in trial background materials.
To test whether low-cost interventions could complement standard care like long-acting bronchodilators and maintenance inhalers, researchers at Hacettepe University worked with 63 patients at Ankara Bilkent City Hospital. Investigators randomly divided participants into three groups: one performed pursed-lip breathing exercises, a second group undertook laughter therapy, and a control group received no therapy.
Did You Know? Pursed-lip breathing requires patients to inhale through the nose and exhale slowly through puckered lips. This keeps airways open longer and helps release trapped air, functioning similarly to the deep exhalation mechanisms triggered by laughter exercises.
How Laughter Exercises Impact Respiratory Muscles
Participants in the laughter therapy group completed 30-minute sessions three times a week for eight weeks. The regimen included rhythmic vocal clapping, playful imitations like a motorcycle starting or a lion’s roar, spontaneous unforced laughter meditation, and calm breathing relaxation with smiling.
“Laughter therapy had already shown promising results in a number of other chronic conditions,” said Dr. Goncagul Aldan, a lecturer and nurse who presented the findings. “Its accessible, enjoyable nature suggests it could equally benefit COPD patients, not only in coping with the daily stress of living with a chronic illness, but also in directly supporting their respiratory health.”
Researchers observed that both the breathing and laughter groups breathed easier during the trial, with benefits persisting one month after the program concluded. “Laughter may exercise the breathing muscles, promote deeper exhalation, and trigger the release of endorphins, offering both physical and emotional relief,” Aldan stated, noting that further comprehensive research remains necessary to fully understand the physiological mechanisms.
Broader Health Impacts of Laughter
Beyond specialized respiratory trials, behavioral health specialists point to physiological shifts associated with everyday humor. Jessica Jensen, MSW, a behavioral health specialist at Henry Ford Health, notes that finding micro-moments of happiness can help reset the nervous system. “It’s not a cure-all, but it can help you shift from a state of tension to a calmer state,” Jensen said in recent commentary on the physical effects of laughter.
According to health data cited by Henry Ford Health, spontaneous laughter can stimulate the brain to release dopamine and reduce cortisol levels by nearly 32 percent, based on a 2023 review of eight studies. Furthermore, laughter increases oxygen intake, enhances circulation, lowers blood pressure, and slows the heart rate, providing systematic support for individuals managing demanding health conditions.
Frequently Asked Questions
What is chronic obstructive pulmonary disease?
COPD is a progressive condition caused by swelling and irritation that limits airflow in and out of the lungs, resulting in shortness of breath, coughing, and wheezing.
How was the laughter therapy trial conducted?
Researchers at Hacettepe University divided 63 COPD patients into three groups: one performing pursed-lip breathing, one performing laughter therapy, and a control group receiving no intervention. Sessions lasted 30 minutes, three times a week, for eight weeks.
Does laughter therapy replace standard COPD medications?
No. While trials showed improved breathing and overall health among participants, patients still required the same level of medical care and medication.
What specific exercises were used in laughter therapy?
The therapy included rhythmic clapping with vocal sounds, playful exercises such as mimicking a motorcycle or lion’s roar, unforced laughter meditation, and calm breathing with smiling.
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