Morning headaches or dry mouth are also common results of nicotine withdrawal overnight
However, because the regulatory agency mandated that manufacturers not only detail how their devices are made, but also that they include scientific backing proving they improve public health, British American's application for its Vuse e-cig included more than 150,000 pages of documentation to support it
In fact, they had electrodes implanted in their brains (something I would prefer, frankly, to having to wear adult diapers as astronauts sometimes do, there being no gravity to tell you when your bladder is full), but other than that and some confinement training, they carried out similar training to humans, including centrifuge training, which no doubt made all the cats look like Garfield
10.1016/j.addbeh.2004.09.006 Patterson J, Eberly L, Ding Y, Hargreaves M: Associations of smoking prevalence with individual and area level social cohesion