- 1、"Thebrain'sabilitytolearninformationisnotstableacrosstheday,"WalkertellsWebMD.2、Searchfor"lungcancer,"forexample,andyou'llgetlinkstotheNationalInstituteofHealth,WebMD,andtheAmericanMedicalAssociation.3、Suchmethodsarecost-effectivealternati...
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