NHS Digital, which quizzed nearly 10,000 students aged 11 to 15 in England last year, found that nine per cent currently vape – the highest rate logged since the survey began in 2014.NHS Digital, which quizzed nearly 10,000 students aged 11 to 15 in England last year, found that nine per cent currently vape – the highest rate logged since the survey began in 2014.Read MoreHealth News | Mail Online