Manufacturers and government officials alike have been working to combat e-cigarette use in teens, and most recently Juul has started a tracking program that can trace a confiscated products serial number to a point of sale, and there is a place on their website for teachers, parents and law enforcement to report a confiscated products serial number to the company
This step requires more than just mere speculation or conjecture that the speech restriction will advance the interest: [R]ather, a governmental body seeking to sustain a restriction on commercial speech must demonstrate that the harms it recites are real and that its restriction will in fact alleviate them to a material degree (emphasis added)
Bulk tobacconists can be open to the public, including to children and young people, and may or may not sell other things
Lippincott Williams & Wilkins
Potentially dangerous occupations include: Truck driving Sandblasting Metalworking Printing Ceramic making Uranium mining Glass manufacturing In the US, work place exposures are thought to cause 13% to 29% of lung cancers in men and 5% in women