From the Archives: Why You Yawn During Exercise

This episode originally aired on 2/28/2020. New episodes coming soon. Learn about how quitting smoking may reawaken healthy cells; how researchers figured out how to tell the age of crime scene fingerprints to help investigators; and why you sometimes yawn while exercising or singing.Quitting smoking doesn’t just slow lung damage, but can also reawaken undamaged cells by Grant CurrinGallagher, J. (2020, January 29). Lungs “magically” heal damage from smoking. BBC News. https://www.bbc.com/news/health-51279355Pfeifer, G. P. (2020, January 29). Smoke signals in the DNA of normal lung cells. Nature, 578(7794), 224–226. https://doi.org/10.1038/d41586-020-00165-7Yoshida, K., Gowers, K. H. C., Lee-Six, H., Chandrasekharan, D. P., Coorens, T., Maughan, E. F., Beal, K., Menzies, A., Millar, F. R., Anderson, E., Clarke, S. E., Pennycuick, A., Thakrar, R. M., Butler, C. R., Kakiuchi, N., Hirano, T., Hynds, R. E., Stratton, M. R., Martincorena, I., … Campbell, P. J. (2020, January 29). Tobacco smoking and somatic mutations in human bronchial epithelium. Nature, 578(7794), 266–272. https://doi.org/10.1038/s41586-020-1961-1It's been impossible to tell the age of crime scene fingerprints — until now by Grant CurrinDetermining Fingerprint Age with Mass Spectrometry Imaging via Ozonolysis of Triacylglycerols. (2020, January 3). Analytical Chemistry. https://pubs.acs.org/doi/abs/10.1021/acs.analchem.9b04765Residues in fingerprints hold clues to their age. (2020, January 22). EurekAlert! https://www.eurekalert.org/pub_releases/2020-01/acs-rif012220.phpWhy we yawn during exercise by Ashley Hamer (Listener question from Kate in Pennsylvania)Provine, R. R., Tate, B. C., & Geldmacher, L. L. (1987). Yawning: No effect of 3–5% CO2, 100% O2, and exercise. Behavioral and Neural Biology, 48(3), 382–393. https://doi.org/10.1016/s0163-1047(87)90944-7Massen, J. J. M., Dusch, K., Eldakar, O. T., & Gallup, A. C. (2014). A thermal window for yawning in humans: Yawning as a brain cooling mechanism. Physiology & Behavior, 130, 145–148. https://doi.org/10.1016/j.physbeh.2014.03.032The science of the exercise yawn. (2017). Furthermore from Equinox. https://furthermore.equinox.com/articles/2017/09/yawningMcKinney, James C. The Diagnosis and Correction of Vocal Faults. (2005). Google Books. https://books.google.com/books?hl=en&lr=&id=znaCDwAAQBAJ&oi=fnd&pg=PA1&dq=singing+yawn&ots=DKpXxdwhGJ&sig=IjgkdxkqyENjWLoXJTDaYB94G30#v=onepage&q=yawn&f=falseWant to learn even more? Head to discovery+ to stream from some of your favorite shows. Go to discoveryplus.com/curiosity to start your 7-day free trial today. Terms apply. Hosted on Acast. See acast.com/privacy for more information.