lane and his colleagues are cautious about their results also because the data do not have clear which it was the anesthesia that contributed to the children ' s developmental deficits , or when it was an underlying condition that may have required procedure and hastened the learned difficulty . of the more than 5 , 000 babies studied , 593 needed at nearly one surgery and just over 100 offspring had more than two before adulthood 3 . there may be something rare about this population of children that can have gotten them exposed to the disorder and required they undergoing surgery and intravenous .
Anesthesia causes learning disabilities.