The growing use of battery-powered e-cigarettes — the activity known as vaping — has provoked one of the most robust debates among public-health specialists in years. The debate has intensified as some users of vaping devices, which have been thought of as safer than lit cigarettes, have come down with mysterious and serious respiratory ailments.
Bloomberg: Vaping was called safer than smoking. What happened?
(FILES) In this file photo taken on Oct. 2, 2018, an illustration shows a man exhaling smoke from an electronic cigarette in Washington, DC.
