But one quarter of young people aged 11 to 15 have tried drugs at least once and the number of young people taking Class A drugs has not decreased since 2001. And young people who drink are getting through on average six pints of beer or one and a half bottles of wine a week. A survey of more than 7,800 pupils in England aged 11 to 15 found one in five admitted to drinking alcohol recently - down from more than one quarter in 2001. Six...