The British Medical Journal has retracted an article that found UK households bought 10% less sugar in the form of soft drinks after the government started taxing the manufacturers on the sugar in their products.
The authors of the paper found an error in their analysis when following up on the work, and republished a corrected version – with less flashy results – in BMJ Open.
The original article, “Changes in soft drinks purchased by British households associated with the UK soft drinks industry levy: controlled interrupted time series analysis,” appeared in March 2021. It has been cited 84 times in the scientific literature, according to Clarivate’s Web of Science, as well as by media outlets and by policy documents for the UK government and World Health Organization.
Continue reading BMJ retracts article about effect of UK sugar tax after authors find error