In their systematic review of the health impacts of neurolinguistic programming (NLP), Sturt and colleagues found no evidence of benefit in 'weight challenged adults'.1 As GPs know only too well, obesity is a major health problem in the UK. The UK Department of Health recently launched the Responsibility Deal programme in which organisations pledged to provide calorie labelling on their products. In September 2012, for a medical student project, we conducted a confidential questionnaire survey of customers sitting in Eddie Wilson's cafe at St. George's, University of London, to investigate whether their choices of cold drinks were influenced by calorie labelling.
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