The government promised to protect the health service, but research by the King's Fund, based on interviews with 45 NHS finance chiefs, raises doubts.

BBC: NHS 'on high alert during change'

Another amendment upgraded the health secretary's duty to promote the importance of research within the health service.

BBC: Health and Social Care Bill

Britain's National Health Service agrees: having studied the available research, it finds no proof of harm from turbines.

ECONOMIST: Wind energy and politics

He claimed they should not expect National Health Service time and money to be spent on research into prolonging life.

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Ms. Fenton is the director of the student mental-health service at the University of Colorado Anschutz Medical Campus and has done research on schizophrenia and bipolar disorder.

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In a speech in London Mr Cameron said he would consult on changing the NHS constitution, which governs how the the health service is run, so that all patients' data is used for medical research unless they want to opt out.

BBC: Everyone 'to be research patient', says David Cameron

Dr Alan Johnson, of the Public Health Laboratory Service's antibiotic resistance monitoring and reference laboratory, said the study confirmed data from previous research.

BBC: Nursery