Raynaud syndrome – a peripheral vascular disorder that causes constriction of your peripheral blood vessels during the fingers and toes when anyone is cold or experiencing tension.[19] Vascular disease (vasculopathy) influences the blood vessels that have oxygen and nutrients all over Your system and remove waste out of your tissues. https://www.sgvascularctr.com/a-comprehensive-guide-to-vascular-services-and-treatments-in-singapore/