{"id":"S85078286","label":"Longevity","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85078286","normalized_label":"longevity","broader":["http://id.loc.gov/authorities/subjects/sh85002068","http://id.loc.gov/authorities/subjects/sh85059518","http://id.loc.gov/authorities/subjects/sh95001709"],"aliases":["Life extension","Life span prolongation","Life, Long","Long life","Prolongation of life span"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85078286","provider":"lcsh","revision":"1add1c094837d938","taxonomy_revision":"f050b5d4780b1289","title":"Longevity","url":"/topics/S85078286","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"326722080357877248","address_version":"morton4x16-v1","coordinates":[0,20,18628,14336],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}