Expanding Our Understanding of Human Skin Aging Anne Lynn S. Chang  Journal of Investigative Dermatology  Volume 136, Issue 5, Pages 897-899 (May 2016) DOI: 10.1016/j.jid.2016.02.020 Copyright © 2016 The Author Terms and Conditions

Figure 1 Is there a link between nitrogen dioxide, increased cheek lentigines, and oxidative stress? Multiple pathways are likely to control human skin aging, and future studies are needed to see whether pollution related phenotypes may be related to cellular processes such as mitochondrial dysfunction. Journal of Investigative Dermatology 2016 136, 897-899DOI: (10.1016/j.jid.2016.02.020) Copyright © 2016 The Author Terms and Conditions