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 Study: E Cigarettes Are More Beneficial Than Harmful 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 E Cigarette Research for Lung Cancer Patients Roy Castle