O’Shea said: “Literally, that should be illegal. The people who are in the supermarkets – the workers in the supermarkets and in the petrol stations – they're trained to offer that special offer.”
He continued: “And 70 per cent of people will say no the first time, but if the person behind the counter says 'well are you sure, it's a good offer'. Then another 30 per cent will say 'ah yeah, go on'.”
The expert urged shoppers to be “super aware” of the tactics of shops that encourage customers to buy more food than they need.
He said: “They are actually trained because the industry has the stats and they know how to prompt and they know how to promote consumption. We just have to be super aware of that and try to resist it.”
According to a new report from the WHO, obesity is responsible for 200,000 cancer cases and 1.2 million deaths a year in Europe.
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