References

The science behind NoseFlow™

Every claim on the NoseFlow™ site is backed by peer-reviewed research on nasal breathing, tongue posture, and sleep quality. Below are the studies referenced throughout. Click any citation number on any page to jump directly to its corresponding entry here.

1

Nasal breathing is the body's preferred respiratory pathway.

Lundberg, J.O., Weitzberg, E., & Gladwin, M.T. (2008). The nitrate–nitrite–nitric oxide pathway in physiology and therapeutics. Nature Reviews Drug Discovery, 7(2), 156–167.
Read the study →
2

Oxygen efficiency: nasal vs. mouth breathing.

Dallam, G.M., McClaran, S.R., Cox, D.G., & Foust, C.P. (2018). Effect of Nasal Versus Oral Breathing on VO2max and Physiological Economy in Recreational Runners Following an Extended Period Spent Using Nasally Restricted Breathing. International Journal of Kinesiology and Sports Science, 6(2), 22–29.
Read the study →
3

Mouth breathing and sleep quality.

Izuhara, A., et al. (study published in Pesquisa Brasileira em Odontopediatria e Clínica Integrada, 2024). Effect of Mouth Breathing on Sleep Quality and Oxygen Saturation in Pediatric Patients.
Read the study →
4

Long-term effects of chronic mouth breathing.

Watso (e.g. "Nasal breathing and cardiovascular strain")
Read the study →
5

Tongue posture and airway openness.

Camacho, M., Certal, V., Abdullatif, J., Zaghi, S., Ruoff, C.M., Capasso, R., & Kushida, C.A. (2015). Myofunctional Therapy to Treat Obstructive Sleep Apnea: A Systematic Review and Meta-analysis. Sleep, 38(5), 669–675.
Read the study →
6

Nitric oxide production in nasal passages.

Lundberg, J.O., Weitzberg, E., & Gladwin, M.T. (2008). The nitrate–nitrite–nitric oxide pathway in physiology and therapeutics. Nature Reviews Drug Discovery, 7(2), 156–167
Read the study →
7

Mechanism: tongue posture and sleep airway.

Guimarães, K.C., Drager, L.F., Genta, P.R., Marcondes, B.F., & Lorenzi-Filho, G. (2009). Effects of oropharyngeal exercises on patients with moderate obstructive sleep apnea syndrome. American Journal of Respiratory and Critical Care Medicine, 179(10), 962–966.
Read the study →
8

Adaptation period for tongue posture training.

Ieto, V., Kayamori, F., Montes, M.I., Hirata, R.P., Gregório, M.G., Alencar, A.M., Drager, L.F., Genta, P.R., & Lorenzi-Filho, G. (2015). Effects of Oropharyngeal Exercises on Snoring: A Randomized Trial. Chest, 148(3), 683–691. DOI: 10.1378/chest.14-2953 PMID: 25950418
Read the study →

DISCLAIMER

NoseFlow is a general wellness product and is not intended to diagnose, treat, cure, or prevent any disease. The research referenced here describes the underlying physiology of nasal breathing and tongue posture; it does not constitute clinical validation of NoseFlow as a medical device