Considering the extraordinary size and profitability of the nicotine black market, any large-scale enforcement operations that could produce a significant deterrent effect would necessarily represent a significant drain on both public finances as well as the resources of any specific agencies involved
Follow the doctor's instructions precisely
That he would become one of the worlds great storytellers is not hard to picture
"This study sheds new light on the association between cannabis use and head and neck cancer, emphasizing the need for further research into specific carcinogenic mechanisms," says Eric Dowling, MD, an ear, nose, and throat (otolaryngologist) and head and neck cancer specialist at UVA Health
Also of great benefit to Buck Duke (and Rockefeller, Carnegie, et al) was a Supreme Court decision in 1886 that ruled a corporation was a person under the 14th Amendment, which gave the business tycoons of the era the ability to legally defend their growing monopolies after the Sherman Anti-Trust Act was enacted