It could be greater health awareness
Today's vehicles often have several cigarette lighter sockets
Although most studies addressing [secondhand smoke] and ADHD symptoms have evaluated prenatal exposure, postnatal [secondhand smoke] exposure may also induce ADHD deficits because the human brain continues to develop during the postnatal period, Li-Zi Lin, PhD, of the Guangdong Provincial Engineering Technology Research Center of Environmental Pollution and Health Risk Assessment at Sun Yat-sen University in China, and colleagues wrote
Wide Smoking filters have a larger diameter, designed for larger rolling papers or for those who prefer a thicker filter
Vera JH, Guo Q, Cole JH, Boasso A, Greathead L, Kelleher P, et al
Une tude comprenant la fois des volontaires en bonne sant et des patients souffrant dasthme et de maladie pulmonaire obstructive chronique (BPCO) a galement montr que 10 minutes de vapotage induisent une obstruction significative des voies respiratoires ( Hua, 2016 )