According to the World Health Organization, in 2015, Imperial Tobacco, a tobacco company, consumed 1004 GWh per year, 2051 KW per one million cigarettes (2017)
Texas Health and Human Services, Texas Department of State Health Services
The R&D currently being conducted is focused on maximizing battery density, to provide longer battery life, in smaller devices
It doesn't seem that dangerous on paper, but sitting at 3 AM, wide awake because of cravings, anxiety, and depression is dreadful
These risks are not just worse than other e-cigarettes but worse in some cases than traditional cigarettes. What are you smoking? First author Mark Salazar, a Ph.D
In short: a moderate smoker saves around 2,600 a year by switching to a refillable kit