E-cigarettes are being banned in the state of Maryland.
The state legislature passed the bill in the fall of 2016, making Maryland the fourth state to pass a ban on the devices.
It was backed by Maryland Attorney General Brian Frosh, who called e-cigarette use “the most dangerous tobacco product of our time.”
But the ban will not be effective until the state has enough data to prove that e-cigs are less harmful than regular cigarettes, the state’s Health Department said in a statement.
Maryland was among 23 states that voted against a measure to make smoking-related deaths more expensive last year, according to the Center for Tobacco Products.
There are also some states that are taking steps to stop e-cig sales, including Hawaii, which in September cited concerns that e