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New NHS England boss: Staying healthy is a 'team effort'

1 April 2014 Last updated at 17:13 BST

The NHS is facing the biggest challenge in its history because of the squeeze on its budget, says its new boss.

In a speech on his first day as NHS England's chief executive, Simon Stevens, will say the health service is enduring "the most sustained budget crunch in its 66-year history".

In an age where the population is getting older, staying healthy would involve a "team effort" between the public and the NHS, he told the BBC in an interview ahead of the speech.