Supermarkets fight back over claims they are not doing enough to tackle obesity

Supermarkets have come under fire for their role in the obesity crisis after new research found more than half of promotions are for products such as junk food and fizzy drinks, rather than healthy options.
Some 53% of the 77,165 promotions on offer at the major supermarkets between April and June were on unhealthy food and drink items – those high in fat, saturates, sugar or salt – according to mySupermarket data analysed by Which?.
It found the proportion of offers on unhealthy foo