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Will the UK's sugar tax on soft drinks work?

A sugar tax on soft drinks has come into force in the UK. Manufacturers now have to pay a levy on the high-sugar drinks they sell. The tax is aimed at reducing the consumption of such drinks and levels of obesity, particularly among children. A few other countries, including Mexico, France and Norway, have similar levies. So do sugar taxes work? Professor Nava Ashraf, from the London School of Economics, is a leader in the field of behavioural economics.

Picture: Sugary drinks surrounded by sugar cubes. Credit: Anthony Devlin/PA Wire

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3 minutes