Long term smokers who start vaping see health benefits within a month New Scientist E cigarette vapour could damage key blood vessels linked to heart disease, study warns The Independent The Independent Quitting smoking in favour of e cigarettes leads to rapid improvement in cardiovascular health Prevention Observatory of the Montreal Heart Institute 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