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The study was
comprehensive. It involved analysing
from 65 million children aged five to 19 years old in 193
. The researchers reported that children's height and
varied enormously in different regions. The team warned that a
of quality food and nutrition was a major factor behind stunted
and a rise in childhood obesity. It said improved diets increased the
height of children in China. Nineteen-year-old boys there were 8cm taller in 2019 than in 1985. Researchers attribute this to
nutrition. The lead author of the
urged countries to adopt policies that encouraged healthier eating, but to be aware of the perils of excessive weight
.