When it comes to the health effects of vaping versus traditional smoking, it's important to dig into the details that set these two habits apart. Our main concern is your health and well-being, so let's take a closer look at how each activity can impact your body. Vaping is a relatively new thing. It involves using electronic cigarettes or vape pens that heat up a liquid called e-juice or vape juice. This liquid turns into a vapor that you can breathe in. Sometimes, the vapor contains nicotine, which is the addictive substance found in regular cigarettes. However, vaping doesn't have all the harmful stuff that comes with smoking.