Vaping Raises Blood Clotting Risks, Harms Small Arteries: Study Southern Iowa Mental Health Center Electronic Nicotine Delivery Systems (ENDS), including e cigarettes and vapes, are often perceived as a safer alternative to traditional tobacco. But is the evidence really supporting this belief? A recent umbrella review published Acute Effects of Electronic and Tobacco Cigarette Smoking on Sympathetic Nerve Activity and Blood Pressure in Humans Impact of electronic cigarette use on blood pressure: A systematic review ScienceDirect E cigarette use lowers lung function, heightens blood pressure, heart rate E cigarettes containing nicotine raise blood pressure and heart rate The Pharmaceutical Journal