Prohibition of things people want usually just create black markets and opportunities for organized crime. But what about prohibition that grandfathers in the availability of the products for those already of age? It wouldn’t work with narcotics or alcohol, but what about cigarettes? From Richard A. Daynard in the New York Times:

“The F.D.A. would be well within its authority to require nicotine content to be below addictive levels — an idea that originated with a 1994 article in The New England Journal of Medicine urging a nonaddictive nicotine standard.

Cigarette makers would lobby hard to block such a standard. But if the F.D.A. insisted on the change, and cigarettes ceased to be addictive, ample evidence shows that most smokers would quit or switch to less toxic nicotine products. Current nonsmokers, moreover, would be far less likely to become addicted.

Another part of the act affirms the authority of states and municipal governments to prohibit the sale, distribution and possession of — and even access and exposure to — tobacco products by individuals of any age.

This provides an opportunity for states, counties and cities to adopt the Smokefree Generation, a proposal by A. J. Berrick, a mathematics professor in Singapore.

The idea is simple: no one born in or after 2000 can ever be sold cigarettes.”