(1) Note: Saliva cotinine values are slightly higher than in serum by a ratio of 1.16
These type of e cigs are about the size of a cigar or a marker pen, depending on the type you go for
Roughly one-third of these students (31%) said they used an e-cigarette because of availability of flavors such as mint, candy, fruit, or chocolate, while 17% said they used it because they perceived them to be less harmful than other forms of tobacco such as cigarettes. Less common reasons cited by middle and high schoolers for using e-cigarettes were because they are easier to get than other tobacco products, such as cigarettes (5%), they cost less than other tobacco products such as cigarettes (3%) and famous people on TV or in movies use them (2%).
Much like heated tobacco products, vaping can also produce a detectable odour, but the intensity of the smell can vary depending on a number of factors, such as the type of device used, the e-liquid flavour, and the user's vaping habits