The UK has made no progress on tackling obesity, a global report on nutrition has found.
The report found that levels of severe obesity in children aged 10 to 11 had reached its highest point, with boys aged five to 19 overtaking the number of obese girls of the same age for the first time.
It reported that obesity in adults had also risen from 27.2 per cent in 2015, to 28.8 per cent in 2016.
The Global Nutrition report is now in its fifth year, and looked into diets for the first time this year.
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It warned that the UK was consuming too much processed meat and sugary drinks, and not eating enough nuts, seeds, whole grains and legumes.
Co-chairwoman of the report, and director of the Centre for Food Policy, Corinna Hawkes, said the figures called for "immediate action".
"Malnutrition is responsible for more ill-health than any other cause. The health consequences of overweight and obesity contribute to an estimated four million deaths globally," she said.
"The uncomfortable question is not so much 'why are things so bad?' but 'why are things not better when we know so much more than before?'".