Does e-juice and the systems in which they are used also qualify as tobacco products? Judging from correspondence that Boston University public health professor Michael Siegel posted today, the FDA is incapable of giving a succinct—or even comprehensible—answer to this basic question. http://www.forbes.com/sites/jacobsullum/2016/07/25/the-fdas-incomprehensible-answer-to-a-crucial-question-about-its-e-cigarette-regulations/#1f0ee12d5b1b
