This episode of You're Dead To Me reminded me of the prohibition of coffee during its early history;
http://www.bbc.co.uk/programmes/m0028sjn
I first read about coffee being religiously and legally restricted in a book I found in the public library, about the history of drug regulation. A. At the time I thought it was plausible, but I was wary of what I now know as confirmation bias. Intriguing to have it confirmed by a historian on a public broadcaster.