A new study of U.S. poison center calls has found a surge in young children being sickened by e-cigarettes, with most of the cases involving them swallowing liquid nicotine. While suffering effects like vomiting a rapid heartbeat and jittery behavior, most children weren’t seriously harmed, but one child did die and several had severe complications. […]

This past weekend, a city-wide ban of electronic cigarettes went into effect in Los Angeles. Before the new law, vapors — as e-cigarette users like…