lane and his partners are cautious about their results also because the estimates do not make visible whether it was the surgeries that contributed to the boy ' s cognitive overspending , or whether it was an independent condition that ought have required procedures and exacerbated the instructional problems . of the more than 5 , 000 individuals studied , 593 requires at least one transplant and just over 100 infants needed more than two before adult 3 . there may be something unusual about this population of children that could have made them vulnerable to learning problems and required they undergoing surgery and surgery .
Anesthesia causes learning disabilities.