Six Healing Sounds Qigong Improves Lung Function in COPD Patients: Evidence from 40 Clinical Trials

In a 2022 study published in Complementary Therapies in Medicine, Xu and colleagues examined whether Liuzijue Qigong, commonly known as Six Healing Sounds Qigong, can improve health outcomes in patients with chronic obstructive pulmonary disease (COPD). Liuzijue is a traditional breathing practice in which practitioners produce six distinct exhalation s…