People who vape had worrisome changes in cardiovascular function, even as young adults American Heart Association 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 E cigarettes damage brain, heart, lungs and blood vessels, study finds The Irish Times Nicotine free e cigarettes can damage blood vessels How quitting smoking boosts your heart health VCU Health