The products differ from e-cigarettes or vape pens, which vaporize a flavored liquid containing nicotine
Psychologist Professor Ellen Peters, of Ohio State University in the US, said: The graphic images motivated smokers to think more deeply about their habit and the risks associated with smoking. The study, published in the journal PLOS ONE, is the first to look at the impact of graphic warning labels on smokers outside of a laboratory and over a relatively long period of time
Importantly, the nicotine strength and volume of nicotine-containing e-liquid in e-cigarettes have increased dramatically in recent years
While the data on long term vape usage is more limited, negative effects are already emerging
The list also included "budtender", a person who serves up cannabis in a shop or dispensary, and "slacktivism", a combination of slacker and activism that described supporting causes through low-level activities such as signing online petitions