What Is Mental Illness? What Is Mental Illness? Richard J. McNally TheBelknapPressofHarvardUniversityPress Cambridge,Massachusetts,andLondon,England•2011 Copyright©2011bythePresidentandFellowsofHarvardCollege Allrightsreserved PrintedintheUnitedStatesofAmerica Manyofthedesignationsusedbymanufacturersandsellerstodistinguishtheir productsareclaimedastrademarks.Wherethosedesignationsappearinthis bookandHarvardUniversityPresswasawareofatrademarkclaim,the designationshavebeenprintedininitialcapitalletters(forexample,Prozac). LibraryofCongressCataloging-in-PublicationData McNally,RichardJ. Whatismentalillness?/RichardJ.McNally. Includesbibliographicalreferencesandindex. ISBN978-0-674-04649-8(alk.paper) 1.Mentalillness. 2.Mentalillness—UnitedStates. I.Title. RC454.M326 2011 616.89—dc22 2010035456 FOR DONNA, WIFE AND FRIEND Contents 1 AnEpidemicofMadness? 1 2 AreWePathologizingEverydayLife? 32 3 CanEvolutionaryPsychologyMake SenseofMentalDisorder? 69 4 PsychopathologyasAdaptation? 97 5 DoesSocietyCreate(Some)MentalDisorders? 128 6 IsItinOurGenes? 159 7 DoMentalDisordersDifferbyKindorDegree? 184 8 SoWhatIsMentalIllnessAnyway? 212 Notes 219 Acknowledgments 265 Index 267 What Is Mental Illness?
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