Definition and Scope of Photoaging Photoaging, often referred to as extrinsic aging, is defined as the collective and cumulative impact resulting from prolonged exposure of the skin to solar radiation, predominantly the ultraviolet (UV) spectrum. Unlike chronological or intrinsic aging, which is governed by genetic factors and time, photoaging is an environmental phenomenon that accelerates […]
Definition and Dual Nature of Photomania U Photomania U represents a complex and multifaceted psychological and cultural construct, distinguished by two primary, though often intertwined, manifestations. Firstly, it describes an irregular craving for light, specifically intense solar radiation, which transcends normal appreciation or physiological need and enters the realm of compulsion or obsession. This craving […]