Paudyal, P., et al. (2018). Meditation for asthma: Systematic review and meta-analysis. Journal of Asthma, 55(7), 771-778, https://doi.org/10.1080/02770903.2017.1365887.
From the Abstract. Our review suggests that there is some evidence that meditation is beneficial in improving quality of life in asthma patients. As two out of four studies in our review were of poor quality, further trials with better methodological quality are needed to support or refute this finding.