One in 20 adults in England both smoke and vape, a figure that has risen sharply since 2021, with a growing proportion vaping more often than they smoke, finds a new study led by @drsarahejackson.bsky.social and Prof @jamiebrown.bsky.social @uclpophealthsci.bsky.social https://www.ucl.ac.uk/news/2025/jan/one-20-adults-england-both-smoke-and-vape