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Reusable electronic cigarette components. Reusable e-cigarettes are composed of a plastic or glass tank which allows the user to store a greater volume of e-liquid. The heating element is typically an atomizer which allows for greater generation of aerosols. Reusable e-cigarettes contain a larger battery compared with disposable ones. A larger power supply to the heating element allows for a greater volume of aerosol to be generated with each puff.
Components of a disposable electronic cigarette. Disposable e-cigarettes do not contain a tank and instead store their e-liquid in a saturated piece of cotton. Aerosols are generated by a rudimentary wick and coil which is heated by a low voltage battery. The processor recognizes when the user is taking a puff and triggers the battery to supply power to the coil. The processor is set to a predetermined number of puffs. The device will stop generating aerosols once that number is reached or the battery runs out of power, whichever comes first.
Bronchiolitis obliterans or “popcorn lung.” Axial view of a CT chest in a patient who chronically used electronic cigarette devices, suffering from bronchiolitis obliterans. Image provided courtesy of Dr Jeremy S. Breit, MD.