A new study analysed sales of sugary non-alcoholic beverages at 37 of Jamie Oliver's restaurants after a 10p (3%) levy was introduced and healthier soft drinks added to the menu. After 12 weeks, sales of sugary drinks per customer had declined by 11%, and after six months they had gone down by 9.3%.

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A new study analysed sales of sugary non-alcoholic beverages at 37 of Jamie Oliver's restaurants after a 10p (3%) levy was introduced and healthier soft drinks added to the menu. After 12 weeks, sales of sugary drinks per customer had declined by 11%, and after six months they had gone down by 9.3%.