The Vascular Endothelial Medicine scientific seminar, devoted to contemporary research directions in endothelial function, mechanisms of endothelial injury, and the role of endothelial dysfunction in the development of cardiovascular diseases, was held on 15th May 2026 at the Medical University of Gdańsk. The event brought together researchers working on both fundamental and clinical aspects of vascular biology and microcirculation. The seminar was opened by its organisers: Prof. Marcin Hellmann, Head of the Department of Cardiac Disease Diagnostics at the MUG, and Assoc. Prof. Barbara Kutryb