A few recent studies with weak design sought a link between pediatric obesity and method of delivery: vaginal birth versus cesarean section.
Confirmation bias typically arises from seeking information that confirms your predetermined hypothesis. To simplify: what you seek, you shall find.
So gave birth to the notion that there could be causality or at a minimum a link between Cesarean Delivery (CD) and the development of childhood obesity. The reality is rates for both have been on the rise in recent decades which is why pursuing a magic bullet relationship holds appeal.
However, a new longitudinal study just published in the journal Pediatrics undermines this...