Hough, Alexandra. “Physiotherapy in respiratory care: a problem-solving approach to respiratory

and cardiac management.”

Timmons, Beverly H., and Ronald Ley. “Behavioral and Psychological Approaches to Breathing.”

Singh, I., I. S. Chohan, M. Lal, P. K. Khanna, M. C. Srivastava, R. B. Nanda, J. S. Lamba, and M. S. Malhotra. “Effects of high altitude stay on the incidence of common diseases in man.” International journal of biometeorology

Jones, Mandy, Alex Harvey, Louise Marston, and Neil E. O’Connell. “Breathing exercises for dysfunctional breathing/hyperventilation syndrome in adults.” Cochrane Database of Systematic Reviews

Agache, Ioana, Cristina Ciobanu, Gabriela Paul, and Liliana Rogozea. “Dysfunctional breathing

phenotype in adults with asthma-incidence and risk factors.” Clinical and translational allergy

Courtney, Rosalba, Kenneth Mark Greenwood, and Marc Cohen. “Relationships between measures of dysfunctional breathing in a population with concerns about their breathing.” Journal of bodywork and movement therapies

Hymes, Alan, and Phil Nuernberger. “Breathing patterns found in heart attack patients.”

International Journal of Yoga Therapy

Timmons, Beverly H., and Ronald Ley. “Behavioral and Psychological Approaches to Breathing. Gardner, William N. “The pathophysiology of hyperventilation.”

Facts & Statistics, Physical Activity.” HHS.Gov. www.hhs.gov/fitness/resource-center/ facts-and- statistics/index.html

Henderson, Yandell. “The prevention and treatment of asphyxia in the new-born.” Journal of the American Medical Association

Martin, Bruce J., Kenneth E. Sparks, Clifford W. Zwillich, and John V. Weil. “Low exercise ventilation in endurance athletes.”

Woorons, X., P. Mollard, A. Pichon, C. Lamberto, A. Duvallet, and J‐P. Richalet. “Moderate exercise in hypoxia induces a greater arterial desaturation in trained than untrained men.” Scandinavian journal of medicine & science in sports 17

Key, Josephine. “‘The core’: understanding it, and retraining its dysfunction.” Journal of bodywork and movement therapies

Bernardi, Luciano, Giammario Spadacini, Jerzy Bellwon, Ramiz Hajric, Helmut Roskamm, and Axel

W. Frey. “Effect of breathing rate on oxygen saturation and exercise performance in chronic heart failure.”

Bilo, Grzegorz, Miriam Revera, Maurizio Bussotti, Daniele Bonacina, Katarzyna Styczkiewicz, Gianluca Caldara, Alessia Giglio et al. “Effects of slow deep breathing at high altitude on oxygen saturation, pulmonary and systemic hemodynamics.”

Lehrer, Paul M., and Richard Gevirtz. “Heart rate variability biofeedback: how and why does it work?.” Frontiers in psychology 5

Nishino, Takashi. “Pathophysiology of dyspnea evaluated by breath-holding test: studies of furosemide treatment.” Respiratory physiology & neurobiology 167

McArdle, William D., Frank I. Katch, and Victor L. Katch. Exercise physiology: nutrition, energy, and human performance. Lippincott Williams & Wilkins

Courtney, Rosalba (Summer 2008). “Strengths, Weaknesses, and Possibilities of the Buteyko

Breathing Method”. Biofeedback.

Kiesel, Kyle, Madison Burklow, Mary Beth Garner, Josh Hayden, A. J. Hermann, Elizabeth Kingshott, Greg McCullough et al. “Exercise intervention for indiciduals with dysfunctional breathing: a matched controlled trial.” International Journal of Sports Physical Therapy 15

Saoji, Apar Avinash, B. R. Raghavendra, and N. K. Manjunath. “Effects of yogic breath regulation:

A narrative review of scientific evidence.” Journal of Ayurveda and Integrative Medicine 30

Benson, Herbert, John W. Lehmann, M. S. Malhotra, Ralph F. Goldman, Jeffrey Hopkins, and

Mark D. Epstein. “Body temperature changes during the practice of g Tum-mo yoga.” Nature 295

Bush, Jessica. “Explained: How Tibetan Monks Use Meditation To Raise Their Body

Temperature.” Buzzworthy.com. www.buzzworthy.com/monks-raise-body-temperature/

Gautier-Sauvigné, Sabine, Damien Colas, Pierre Parmantier, Pierre Clement, Abdallah Gharib,

Nicole Sarda, and Raymond Cespuglio. “Nitric oxide and sleep.” Sleep medicine reviews 9,

Abreu, Rubens Rafael, Regina Lunardi Rocha, Joel Alves Lamounier, and Ângela Francisca Marques Guerra. “Prevalence of mouth breathing among children.” Jornal de pediatria 84

Felcar, Josiane Marques, Izabele Rafael Bueno, Ana Carolina Silva Massan, Roberta Pereira Torezan, and Jefferson Rosa Cardoso. “Prevalence of mouth breathing in children from an elementary school.” Ciencia & saude coletiva 15

Izuhara, Y., Hisako Matsumoto, T. Nagasaki, Y. Kanemitsu, K. Murase, I. Ito, T. Oguma et al.

“Mouth breathing, another risk factor for asthma: the Nagahama Study.” Allergy 71

Kim, Eun Joong, Ji Ho Choi, Kang Woo Kim, Tae Hoon Kim, Sang Hag Lee, Heung Man Lee, Chol Shin, Ki Yeol Lee, and Seung Hoon Lee. “The impacts of open-mouth breathing on upper airway space in obstructive sleep apnea: 3-D MDCT analysis.” European Archives of Oto-Rhino- Laryngology 268

Scharf, Martin B., and Aliza Pollack Cohen. “Diagnostic and treatment implications of nasal obstruction in snoring and obstructive sleep apnea.” Annals of Allergy, Asthma & Immunology 81

Timmons, Beverly, and Ronald Ley. “Behavioral and Psychological Approaches to Breathing Disorders.” Psyccritiques 40

Cottle, M.H., 1987. The work, ways, positions and patterns of nasal breathing (relevance in heart and lung illness). Reprinted in: Barelli, P., Loch, W.E.E., Kern, E.R., Steiner, A. (Eds.), Rhinology. The collected writings of Maurice H. Cottle, MD. American Rhinologic Society, Kansas City, Missouri.

Gilbert, Chris. “Interaction of psychological and emotional variables with breathing dysfunction.”

In Recognizing and Treating Breathing Disorders, pp. 79-91. Churchill Livingstone, 2014.

Bartley, Jim. “Nasal congestion and hyperventilation syndrome.” American journal of rhinology 19

Swift, A. C., I. T. Campbell, and TessaM Mckown. “Oronasal obstruction, lung volumes, and arterial oxygenation.” The Lancet 331, no. 8577 (1988): 73-75. Saura, Marta, Carlos Zaragoza, Audrey McMillan, Richard A. Quick, Christine Hohenadl, John M. Lowenstein, and Charles J. Lowenstein. “An antiviral mechanism of nitric oxide: inhibition of a viral protease.” Immunity 10

ClinicalTrials.gov. “Nitric Oxide Inhalation Therapy for COVID-19 Infections in the ED (NO COV-

ED).” Clinicaltrials.gov https://clinicaltrials.gov/ct2/show/NCT04338828

Lei, Chong, Binxiao Su, Hailong Dong, Andrea Bellavia, Raffaele Di Fenza, Bijan Safaee Fakhr, Stefano Gianni et al. “Protocol of a randomized controlled trial testing inhaled Nitric Oxide in mechanically ventilated patients with severe acute respiratory syndrome in COVID-19 (SARS- CoV-2).”

Martel, Jan, Yun-Fei Ko, John D. Young, and David M. Ojcius. “Could nasal nitric oxide help to

mitigate the severity of COVID-19?.”

BioSpace. “SaNOtize Phase II COVID Prevention and Treatment Trial Underway in BC, Quebec Enrolment to Begin June 1.” BioSpace.com. biospace.com/article/releases/sanotize-phase-ii- covid-prevention-and-treatment-trial-underway-in-bc-quebec-enrolment-to-begin-june-1/

Semeniuk, Ivan. “Canadian company SaNOtize Research aims to limit COVID-19 spread with nasal spray.” The Globe and Mail. theglobeandmail.com/canada/article-canadian-company-sanotize- research-aims-to-limit-covid-19-spread-with/

Zou, Xin, Ke Chen, Jiawei Zou, Peiyi Han, Jie Hao, and Zeguang Han. “Single-cell RNA-seq data analysis on the receptor ACE2 expression reveals the potential risk of different human organs vulnerable to 2019-nCoV infection.” Frontiers of medicine

Maniscalco, M., E. Weitzberg, J. Sundberg, M. Sofia, and J. O. Lundberg. “Assessment of nasal and sinus nitric oxide output using single-breath humming exhalations.” European Respiratory Journal 22

Weitzberg, Eddie, and Jon ON Lundberg. “Humming greatly increases nasal nitric oxide.”

American journal of respiratory and critical care medicine 166

Eby, George A. “Strong humming for one hour daily to terminate chronic rhinosinusitis in four days: A case report and hypothesis for action by stimulation of endogenous nasal nitric oxide production.” Medical hypotheses 66

Theunissen, Sigrid, François Guerrero, Nicola Sponsiello, Danilo Cialoni, M. Pieri, Peter Germonpré, G. Obeid et al. “Nitric oxide-related endothelial changes in breath-hold and scuba divers.” Undersea Hyperb Med 40

Huang, J. T. “Nasal plugs for preventing respiratory infections.” Journal of international medical research 32

Brody, Jane E. “Learning how to breathe again in the new normal.” Independent. Published June 22, 2020. www.independent.co.uk/news/science/how-to-breathe-face-mask-stress-exercise- anxiety-a9574936.html

Singh, U. P. “Evidence-Based Role of Hypercapnia and Exhalation Phase in Vagus Nerve Stimulation: Insights into Hypercapnic Yoga Breathing Exercises.” J Yoga Phys Ther 7

Kenney, M. J., and C. K. Ganta. “Autonomic nervous system and immune system interactions.”

Comprehensive physiology 4

Propert, David. “Recognizing and Treating Breathing Disorders–A Multidisciplinary Approach.”

International Journal of Osteopathic Medicine 17

Bergland, Christopher. “A Vagus Nerve Survival Guide to Combat Fight-or-Flight Urges.” Psychology Today. Published May 15, 2017. www.psychologytoday.com/us/blog/ the-athletes- way/201705/vagus-nerve-survival-guide-combat-fight-or-flight-urges

Bergland, Christopher. “Vagus Nerve Stimulation Dramatically Reduces Inflammation.” Psychology Today. Published July 16, 2016. www.psychologytoday.com/gb/blog/the-athletes- way/201607/vagus-nerve-stimulation-dramatically-reduces-inflammation

Behar, Michael. “Can the Nervous System be Hacked?.” The New York Times Magazine,

www.nytimes.com/2014/05/25/magazine/can-the-nervous-system-be-hacked.html?_r=0

Gendry, Sebastian. “On the Vagus nerve and the body-mind connection.” Laughter Online University. www.laughteronlineuniversity.com/vagus-nerve/

Breit, Sigrid, Aleksandra Kupferberg, Gerhard Rogler, and Gregor Hasler. “Vagus nerve as modulator of the brain–gut axis in psychiatric and inflammatory disorders.” Frontiers in psychiatry 9

Chovatiya, Raj, and Ruslan Medzhitov. “Stress, inflammation, and defense of homeostasis.”

Molecular cell 54

Carnegie Mellon University. “How stress influences disease: Study reveals inflammation as the

culprit.” ScienceDaily. Published April 2, 2012.

<www.sciencedaily.com/releases/2012/04/120402162546.htm> (accessed November 12, 2019).

Yun, Joon. “Heart Rate variability as a Biomarker of Longevity.” The Quantified Body. thequantifiedbody.net/hrv-biomarker-longevity-dr-joon-yun/

Le Meur, Yann, Aurélien Pichon, Karine Schaal, Laurent Schmitt, Julien Louis, Jacques Gueneron, Pierre Paul Vidal, and Christophe Hausswirth. “Evidence of parasympathetic hyperactivity in functionally overreached athletes.” Med Sci Sports Exerc 45,

Russo, Marc A., Danielle M. Santarelli, and Dean O’Rourke. “The physiological effects of slow breathing in the healthy human.” Breathe 13

Ma, Xiao, Zi-Qi Yue, Zhu-Qing Gong, Hong Zhang, Nai-Yue Duan, Yu-Tong Shi, Gao-Xia Wei, and You-Fa Li. “The effect of diaphragmatic breathing on attention, negative affect and stress in healthy adults.” Frontiers in psychology 8

Schwartz, Arielle. “Natural Vagus Nerve Stimulation.” Arielle Schwartz.

drarielleschwartz.com/natural-vagus-nerve-stimulation-dr-arielle-schwartz/#. XhMjeC2ca8p

Bergland, Christoper. “Longer Exhalations Are an Easy Way to Hack Your Vagus Nerve.” Psychology Today. www.psychologytoday.com/us/blog/the-athletes-way/201905/longer- exhalations-are-easy-way-hack-your-vagus-nerve?fbclid=I- wAR1ozFQRsixTqPQ9sxAAuIdzB9bXtnY4ANT3LsixBvVPo1KWgHsQEkOpUO9F7kY