Vaping Nicotine May Increase Heart Failure Risk By Almost 20%, Study Suggests Health effects and known pathology associated with the use of E cigarettes ScienceDirect How E Cigarettes Affect Your Body Vaping and lung disease: This doctor saw the link four years ago Los Angeles Times Nicotine in e cigs: addictive, increases your risk of heart disease The Verge Vaping may not contain tobacco, but that doesn't mean it's harmless. E cigarettes still expose your lungs to nicotine and a mix of chemicals that have been linked to lung disease, heart issues,