Office for National Statistics (ONS) data show 3.9 per cent of 16- to 24-year-olds in England tried nitrous oxide at least once in the year up to June. It was down from 8.7 per cent the year before.
Daniel Cowan died in 2016 aged just 29 after being given a dodgy piill he is believed to have thought was MDMA while partying with friends in Scotland.