IQOS: Good Thing, or Bad?

Ever since I tried an early heat-not-burn device when I attended the Global Forum on Nicotine (GFN) I have tried to keep an eye on the developing technology. At the end of the day, it’s really a simplistic concept. Instead of setting fire to loose-leaf tobacco wrapped in a slow-burning paper, it’s simply heated in a not too dissimilar way that an e-cig heats e-liquid.