Supporting Documentation:
- Vranich, Belisa. BREATHE: THE SIMPLE, REVOLUTIONARY 14-DAY PROGRAM TO IMPROVE YOUR MENTAL AND PHYSICAL HEALTH https://www.thebreathingclass.com/breathe-usa
- Russo, M. A., Santarelli, D. M., & O'Rourke, D. (2017). The physiological effects of slow breathing in the healthy human Breathe (Sheffield, England) 13(4), 298–309. doi:10.1183/20734735.009817
- W.B Kannel, Helen Hubert, E.A Lew, Vital capacity as a predictor of cardiovascular disease: The Framingham study, American Heart Journal, Volume 105, Issue 2,1983,Pages 311-315,ISSN 0002-8703,https://doi.org/10.1016/0002-8703(83)90532-X.(http://www.sciencedirect.com/science/article/pii/000287038390532X)
