The diagnostic and statistical manual of mental disorders fifth edition dsm 5 cardwell c nuckols phd cnuckolselitecorp1com wwwcnuckolscom history of the dsm o 1840 1 dx us census idiocy insanity also in the 1840s southern alienists discovered a malady called drapetomania the inexplicable mad longing of a slave for freedom o 1880 7 dxs us census . This new edition of diagnostic and statistical manual of mental disorders dsm 5r used by clinicians and researchers to diagnose and classify mental disorders is the product of more than 10 years of effort by hundreds of international experts in all aspects of mental health. The diagnostic and statistical manual of mental disorders dsm 5 is the product of more than 10 years of effort by hundreds of international experts in all aspects of mental health. This new edition of diagnostic and statistical manual of mental disorders dsm 5 r used by clinicians and researchers to diagnose and classify mental disorders is the product of more than 10 years of effort by hundreds of international experts in all aspects of mental health