{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.deficiency","code":"thing-q2184645","url":"https://ver.cy/models/thing/q2184645/","name":"deficiency","alternateNames":["nutritional deficiency disease","magnesium deficiency","mineral deficiency","swayback","choline deficiency disease","essential fatty acid deficiency","Zeism","potassium deficiency","vanadium deficiency","boron deficiency","fluorine deficiency","manganese deficiency"],"kind":"thing","status":"published","version":"0.2.0-wave.2","language":"en","classifiers":{"family":"Thing Registry","category":"Cross-cutting context","entryKind":"thing","plane":"XCT","domain":["XCT.STA"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"A lack or insufficiency of something required, in health most often a nutritional deficiency in which the body lacks a vitamin, mineral, essential fatty acid, protein or other nutrient, causing diseases such as scurvy, rickets, anaemia, swayback in livestock and disorders from magnesium or choline shortage; deficiencies arise from diet, absorption problems and disease, are diagnosed by clinical and laboratory assessment, and this entry gives general information only, not personal medical advice.","purpose":"Let an agent explain deficiency as a general concept and nutritional deficiencies in particular, describe causes, signs and prevention as documented by health bodies, cover deficiencies in animals and plants, and route personal questions to clinicians.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Insufficiency","Cause-specific effects","Preventable","Diagnosable"],"structure":{"bundles":[{"id":"understand","name":"Understand","description":"What deficiency means.","layers":[{"id":"concept","name":"Concept","description":"Concept and kinds.","findings":[{"id":"concept-finding","name":"Concept","description":"Concept.","questions":[{"text":"What is a deficiency, and what kinds of nutritional deficiency exist in humans, animals and plants?","kind":"definition"},{"text":"Is the user asking about their own health, which needs a clinician?","kind":"boundary"}]}]},{"id":"causes","name":"Causes","description":"Causes.","findings":[{"id":"causes-finding","name":"Causes","description":"Causes.","questions":[{"text":"How do diet, absorption problems, increased needs and disease cause deficiencies, according to medical sources?","kind":"provenance"},{"text":"Which entry fits a specific deficiency?","kind":"action"}]}]}]},{"id":"health","name":"Health","description":"Signs, diagnosis and prevention.","layers":[{"id":"signs","name":"Signs","description":"Signs and diagnosis.","findings":[{"id":"signs-finding","name":"Signs","description":"Signs.","questions":[{"text":"What signs are associated with common deficiencies, and how are they diagnosed, in general terms?","kind":"provenance"},{"text":"Are severe symptoms present, requiring prompt care?","kind":"boundary"}]}]},{"id":"prevention","name":"Prevention","description":"Prevention and fortification.","findings":[{"id":"prevention-finding","name":"Prevention","description":"Prevention.","questions":[{"text":"How do dietary guidance, fortification and supplementation programmes prevent deficiencies, according to health bodies?","kind":"provenance"},{"text":"Which entry fits public health nutrition?","kind":"action"}]}]}]},{"id":"other","name":"Other","description":"Animals and plants.","layers":[{"id":"animals","name":"Animals","description":"Livestock deficiencies.","findings":[{"id":"animals-finding","name":"Animals","description":"Animals.","questions":[{"text":"What deficiency diseases such as swayback affect livestock, and how are they prevented?","kind":"provenance"},{"text":"Is a veterinarian needed?","kind":"boundary"}]}]},{"id":"plants","name":"Plants","description":"Plant deficiencies.","findings":[{"id":"plants-finding","name":"Plants","description":"Plants.","questions":[{"text":"How are nutrient deficiencies in plants recognised and corrected?","kind":"provenance"},{"text":"Which entry fits plant nutrition?","kind":"action"}]}]}]},{"id":"learn","name":"Learn","description":"History and teaching.","layers":[{"id":"history","name":"History","description":"History.","findings":[{"id":"history-finding","name":"History","description":"History.","questions":[{"text":"How were deficiency diseases such as scurvy, pellagra and rickets understood and conquered?","kind":"provenance"},{"text":"Which references are standard?","kind":"provenance"}]}]},{"id":"teach","name":"Teach","description":"Teaching.","findings":[{"id":"teach-finding","name":"Teach","description":"Teaching.","questions":[{"text":"How can nutrition and deficiency be taught?","kind":"action"},{"text":"Which misconceptions arise?","kind":"provenance"}]}]}]}]},"agentConduct":{"may":["Explain nutritional deficiencies and their signs in general terms.","Relay dietary guidance from health authorities.","Urge people to see a clinician for testing."],"mustNot":["Diagnose a deficiency in a person.","Recommend high-dose supplements without a clinician.","Promote supplements with false claims.","Blame a vegetarian, religious or other chosen diet for a deficiency without evidence."],"requiresHuman":["Treatment of a diagnosed deficiency."]},"ethics":{"considerations":["Deficiencies affect poor and food-insecure people most.","Unnecessary supplements waste money and can be harmful."],"affectedParties":["People with poor diets","Children","Pregnant people"]},"owners":{"steward":"Nobody owns it; clinicians answer for diagnosis and care.","roles":[],"masterSystems":[]},"relations":[{"target":"Q1747121","type":"parent","note":"registry parent class"},{"target":"flaw","type":"related","note":"category"},{"target":"ischemia","type":"related","note":"a deficiency of blood supply"},{"target":"fodder","type":"related","note":"livestock nutrition"},{"target":"maize","type":"related","note":"crops linked to deficiency diseases historically"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.deficiency","Wikidata: Q2184645 (https://www.wikidata.org/wiki/Q2184645)"]},"properties":{"applicability":"not-applicable","items":[]},"recognition":{"applicability":"optional","items":["Insufficiency of a required element","Nutritional or other","Excess and toxicity are the opposite problems","Not visible as a concept; signs vary by deficiency."]},"capabilities":{"applicability":"required","items":["explain the concept","describe nutritional deficiencies","cover animals and plants","route personal questions"]},"hazards":{"applicability":"required","items":["Agents giving personal medical advice","Unnecessary supplementation","Undiagnosed deficiencies"]},"interfaces":{"applicability":"required","items":["Dietary reference intakes from health bodies","Food fortification regulations","Animal nutrition standards"]},"context":{"applicability":"required","items":["Lack of something required.","vitamin deficiencies","mineral deficiencies such as iron, iodine and magnesium","protein and energy deficiencies","essential fatty acid and choline deficiencies","deficiencies in livestock and plants"]}},"sources":[{"title":"Wikidata item Q2184645: deficiency","url":"https://www.wikidata.org/wiki/Q2184645","note":"identity and sense of the item"},{"title":"Wikipedia: Shortage","url":"https://en.wikipedia.org/wiki/Shortage","note":"general description of the item"}],"openQuestions":["Should each deficiency be a separate entry?","How should reference intakes be linked?","How should public health programmes be linked?"],"resources":{"spec":"/models/things/publications/thing-q2184645/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q2184645/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-12T01:09:15Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"not-applicable","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-06T19:51:57+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass","interaction.properties":"Plane XCT: no invented physical properties."},"score":1.0}}