"Children who are a bit chubby are perfectly healthy." "They'll lean out once they start sports in middle school." These reassurances are familiar in parenting conversations.
They are not baseless — but they hold up only partially when checked against longitudinal data. The proportion of children with obesity who carry it into adulthood is not small. And conversely, the assumption that things will resolve naturally can narrow the window for intervention.
This article looks honestly at the numbers behind "they'll grow out of it," and offers materials for thinking about how families can orient themselves. The intention is not to cause alarm. Just accurate probabilities.