Vaping: Emerging harms health systems can't ignore

When e-cigarettes first appeared around 2010, they were hailed as a breakthrough: nicotine delivery without the toxic tar and combustion byproducts of traditional cigarettes. Public health bodies cautiously endorsed them as a tool for adult smokers to quit, often citing early claims that vaping was 95% less harmful than smoking. More than a decade later, with millions now vaping regularly, the picture is less clear.