Peripheral artery disease (PAD) is the narrowing or blockage of blood vessels that run from the heart to other parts of the body. Smoking can cause PAD. Quit smoking to protect your Quitting smoking in favour of e cigarettes leads to rapid improvement in cardiovascular health Prevention Observatory of the Montreal Heart Institute Two new reviews summarize how e cigs adversely affect the cardiovascular system Stanton Glantz blog Vaping Vs Cigarettes: The Hidden Dangers You Need To Know Affinity Health Electronic Nicotine Delivery Systems and Cardiovascular Cardiometabolic Health Circulation Research