Modern life 'poisoning' childhood

Childhood creativity is being stifled by a combination of junk food, school targets and mass marketing, a group of authors and academics has claimed.

Dozens of teachers joined children's authors and psychologists to write a letter to the Daily Telegraph.

The signatories highlighted "the escalating incidence of childhood depression" and demanded action.

Children's writers Philip Pullman and Jacqueline Wilson, and scientist Baroness Greenfield signed the letter. the rest