In a sign that the state is hardening its stance on electronic cigarettes, health departments throughout Tennessee are putting up posters in their buildings warning about the potential harm of the devices.

The notices caution users about e-cigs, the nicotine and other chemicals in them as well as exposure to vapor second-hand.

State health officials issued their initial advisory on e-cigs in February. Since then, the U.S. Food and Drug Administration has proposed rules calling for regulation of electronic nicotine devices.

“The additional independent research we’ve seen on electronic cigarettes has increased our concerns since we issued the initial advisory in February,” said Dr. John Dreyzehner, Tennessee Department of Health commissioner.

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