Previous research has shown that the ultraviolet radiation (UVR) present in sunlight is the most common environmental carcinogen. Additionally, long-term exposure to UVR can lead to skin cancer and premature aging of the skin. To develop better methods of protection from the sun, we need to understand how the human skin detects and responds to UVR. A study in The Journal of General Physiology/em/a provides new insight into the molecular pathway underlying this ...
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