On Tuesday 5th of November 2019, the official kick-off Meeting of the European COST (European Cooperation in Science and Technology) Action VascAgeNet (“Network for Research in Vascular Ageing”, https://www.cost.eu/actions/CA18216/) was held at the premises of the COST Association in Brussels. The kick-off Meeting was the official start of four years of networking to initiate joint research activities across Europe. VascAgeNet aims to establish a network which will work to refine,