A pulmonary rehab program that uses harmonicas for COPD patients has shown benefits for managing their condition.

The music therapist teaches a class of COPD patients the correct way to breathe to make notes and familiar songs. Therapists said playing harmonica exercises muscles needed to pull air in and push air out of the lungs. It also strengthens abdominal muscles for a better cough, helping patients clear the lungs.

Researchers are measuring health benefits over a 12-week period.

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