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Ultra-processed foods make up a growing
of the food we eat. The WHO says they account for around two-thirds of
in the diets of American children and
. Dr Zhang said children who ate ultra-processed food gained
more quickly than
who ate a more nutritious and well balanced
. She said: "Americans consume a large
of their daily calories from ultra-processed foods." She gave advice on how people can look after their
better through their diets. She said: "We should consider substituting ultra-processed foods with unprocessed or
processed foods in our diet for cancer prevention and for the prevention of obesity and
diseases."