E cigarettes Impact Brain Blood Flow, Increasing Stroke Risk Effects on blood pressure and heart rate. Mean change in vascular Download Scientific Diagram 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 Cardiologists establish how e cigarettes damage the brain, blood vessels and lungs EurekAlert! Could Vaping Reduce Your Blood Pressure? E Cigarette Direct Vaping and Electronic Cigarette Toxicity Overview and Recommendations (Project VECTOR) Intrepid Lab