According to the Centers for Disease Control (CDC), 9 million American adults regularly vape. People are switching to the vape en masse because it can be more convenient, more affordable and more enjoyable than regular smoking. But if you’ve decided to make the big switch from cigarette to electronic cigarette (e-cig), there are a few things you need to get used to. Unlike regular cigarettes, some high-tech e-cigarettes are designed to be reused again and again, thanks to specially engineered parts and components that turn liquid to smoke-like vapor. Today, let’s take a look at one of the parts that make this type of cigarette tick: the e-cig cartridge. Here are some answers to frequently asked questions about this vape part.