jack and his colleagues are cautious about their conclusions also because the data do not make clear whether it was the anaesthesia that contributed to the children ' s learning deficits , or how it was an underlying form that may have undergone repair and turmoil the educational challenges . of the more than 5 , 000 babies analyzed , 593 underwent at least one surgery and just over 100 they had more than two before stage 3 . there may be more exceptional about this population of children that could have helped them vulnerable to learning disorder and required they undergo surgeons and anesthesia .
Anesthesia causes learning disabilities.