Smoking is a killer habit, quite literally, and one that for many is incredibly hard to shake. In recent years, vaping has arisen as a potential alternative to smoking, one that in some ways and for some people may be a healthier option. As more men begin vaping, it raises questions about whether it might have any penis health effects - in particular, could vaping have a negative impact on a man's ability to obtain or maintain that all-important erect penis? Vaping background Vaping is the act of using so-called e-smokes rather than the tobacco-based normal cigarette. In place of tobacco, e-smokes contain a liquid that is composed of various chemicals and metals, including nicotine, which is a stimulant found in tobacco and which is one of the major reasons that cigarettes can be addictive. The liquid is put in (or comes in) a cartridge, which is inserted into the e-smokes. A heat source causes the liquid to turn into an aerosol (mistakenly called a vapor, hence the name vaping), ...