There is no evidence for this, says John Beckett of the University of Nottingham, who has written a book on city status.

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Mohammed, Special Advisor to the United Nations Secretary-General on Post-2015 Development Planning and Assistant Secretary-General, and Professor W. John Morgan, UNESCO Chair at the University of Nottingham.

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The Home Office minister John Denham had already announced a routine inspection of the Nottingham City force in January.

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Prof John Britton, director of the UK Centre for Tobacco Control Studies at the University of Nottingham and report chairman, said people with mental health disorders might find it harder to quit smoking but that did not mean they did not want to stop.

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