wilder and his colleagues are cautious about their results first because the data do not makes clear whether it was the medication that contributed to the infants ' s learning deficits , or whether it was an underlying condition that may have demanded them and precipitated the learning problems . of the more than 5 , 000 babies observed , 593 needed at least an procedure and just over 100 baby needs more than two before age 3 . there may be nothing unusual about this population of boys that could have made them vulnerable to learning problems and necessary they undergo surgery and anesthesia .
Anesthesia causes learning disabilities.