Just one in eight adults in Britain smoked in 2021, down by five per cent on last year and a fraction of the nearly 50 per cent during the 1970s, according to the Office for National Statistics.Just one in eight adults in Britain smoked in 2021, down by five per cent on last year and a fraction of the nearly 50 per cent during the 1970s, according to the Office for National Statistics.Read MoreHealth News | Mail Online