griffith and his staff are cautious about their results also because the data do not makes clear whether it was the neonatal that contributed to the offspring ' s learning deficits , or whether it was an underlying condition that may have required procedures and precipitated the learning problems . of the more than 5 , 000 babies observed , 593 wanted at least one surgery and just over 100 infants needed more than two before age 3 . there april be something unusual about this subset of parents that could have made them vulnerable to learn problems and required they undergo surgery and surgeries .
Anesthesia causes learning disabilities.