Author’s reply to Brown

As Brown notes, my article was not intended to be an exhaustive review of opposing positions on e-cigarettes.1 Rather, I wanted to show the divided nature of the debate, and the fact that evidence for and against e-cigarettes is contradictory and—clearly—controversial. Thus Brown dismisses studies cited as credible evidence by other equally respected scientists, who fear that e-cigarettes are a Trojan horse for the tobacco industry.

It …