Are there many strains of THC for vape pens? Utilizing an electronic cigarette is much less harmful than smoking a cigarette because you don't inhale smoke and tar right into your lungs. Electronic cigarettes are battery-operated products that vaporize liquid nicotine and other chemical compounds to produce vapor which seems as cigarette smoke. Most of these vaporizers use a heater that heats up the dry herb or oil and also makes it into...