"Imagine if we knew 50 years ago what the damage of tobacco was going to be," he said. "So here we are, trying to regulate a new nicotine-addiction operation."
Sen. Jack Whitver, R-Ankeny, said lawmakers will continue to assess the best way to handle sale and use of e-cigarettes, but he said he agrees that something needs to be done.
"We also want to see this bill move forward, and we support protecting kids," he said.
Industry groups have displayed support for e-cigarette restrictions. Public health activists have also offered their support of barring sale to minors, though they have said they also would like e-cigarettes to be classed as tobacco products, making them subject to additional restrictions and taxes.