If unknowing exposure occurs, then exposure is generally much lighter than knowing exposure. Its possible that cumulative exposure would make things worse [1] , but its hard to imagine you would regularly breathe in that much smoke without realizing the risk
In some places, limits on quantities or restrictions on certain formats are strictly enforced and could result in fines
"From the Scoop: Millie and Willie"
Additionally, the report cautions that exposure to e-cigarette aerosols can include up to 31 different chemical compounds that include likely irritants and carcinogens
over one-half consists of foreign leaf, mostly obtained from the United States, and the remainder is made up by importations of cigars from Havana and Manilla, and by cigarettes and miscellaneous productions of various countries, and by custom-house seizures
Abdrakhmanova, S