High frequency yoga breathing can increase alveolar dead space. Comment to: Gastroesophageal reflux disease and pulmonary function: a potential role of the dead space extension, Damir Bonacin, Damir Fabijanić, Mislav Radić, Željko Puljiz, Gorana Trgo, Andre Bratanić, Izet Hozo, Jadranka Tocilj, Med Sci Monit, 2012; 18(5): CR271-275
Med Sci Monit. 2012 Jul;18(7):LE5-6; author reply LE6-7.
doi: 10.12659/msm.883189.