Allergic Rhinitis and the Urban Surge: Explaining the Rapid Nasal Spray Market Growth in Megacities Urbanization has brought about a unique set of health challenges, with allergic rhinitis being one of the most widespread. Megacities, characterized by high population density and localized pollution, have become hotspots for respiratory sensitivities. The "urban heat island" effect can also extend pollen seasons, leading to year-round symptoms for many residents. This environmental shift has...