This Is Why You Wear Sunscreen

    In case avoiding cancer isn't a good enough reason. A truck driver for 28 years, this 69 year old man suffers extreme pre-mature aging only on the driver's side of his face.

    Donna Dickens
    by Donna Dickens

    Community Contributor

    nejm.org / Via gizmodo.com

    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.