The patient reported that he had driven a delivery truck for 28 years. Ultraviolet A (UVA) rays transmit through window glass, penetrating the epidermis and upper layers of dermis. Chronic UVA exposure can result in thickening of the epidermis and stratum corneum, as well as destruction of elastic fibers. This photoaging effect of UVA is contrasted with photocarcinogenesis.
You can read the whole study in The New England Journal of Medicine.
This post was created by a user and has not been vetted or endorsed by BuzzFeed's editorial staff. BuzzFeed Community is a place where anyone can post awesome lists and creations. Learn more or post your buzz!
- Hillary Clinton returned to the public arena in one of her first political appearances since the election, urging Democrats to "keep fighting."
- President Trump addressed the Conservative Political Action Conference, or CPAC, where he lashed out at the media and defended his agenda.
- The White House strongly denies reports that Chief of Staff Reince Priebus urged the FBI to undermine stories linking Trump to Russia.
- Kim Jong Nam, the half-brother of North Korea's leader, was killed with a chemical weapon last week at an airport in Malaysia.