University of Chicago Medical Center Nov 13 2025 Sunlight is vital for human health as it helps the body produce essential nutrients, such as vitamin D. However, too much sun exposure can significantly increase the risk of skin cancer. In a new study published in Nature Communications , researchers at the University of Chicago have discovered how prolonged exposure to ultraviolet (UV) radiation can trigger inflammation in skin cells through degradation of a key protein called YTHDF2. This