Doctors with the American Heart Association are warning that e cigarettes with nicotine may be linked to increased blood pressure and heart rate, while research on flavored vapes has found a risk of Vaping vs. smoking: what are the risks? Pacific Life Re The Impacts of E Cigarettes: Research Insights RTI Both conventional tobacco products and e cigarettes pose risks to health. E cigarette use can negatively impact the health of your brain, lungs and heart and it is linked to an increased risk of E cigarettes: How they work, risks, and research New Analysis Underscores Health Risks of E Cigarettes Johns Hopkins Medicine