{
  "schema_version": 1,
  "topic_id": "nutrition",
  "topic_title": "Nutrition",
  "domain_id": "health-energy",
  "domain_title": "Health & Energy",
  "ontology_status": "growth-gap",
  "baseline_status": "growth-gap",
  "question": "Which low-risk food-environment or routine changes have evidence for improving everyday dietary behavior in adults?",
  "evidence_target": "Prefer systematic reviews of behavioral or environmental interventions rather than nutrient-treatment claims.",
  "guardrail": "Keep this general and educational; do not provide individualized nutrition or medical advice.",
  "stage": "reviewed",
  "stage_label": "Reviewed boundary",
  "stage_summary": "At least one candidate has a reviewed Evidence Decision, but trusted Topic coverage is not yet sufficient for closure.",
  "canonical_url": "https://brali-lifeos.github.io/research/gaps/nutrition/",
  "research_queries": [
    {
      "id": "health-nutrition-behavior",
      "query": "dietary behavior environmental intervention adults systematic review",
      "risk_flags": [
        "health"
      ]
    }
  ],
  "candidates": [
    {
      "id": "crossref:10.1186/s12966-026-01915-y",
      "title": "A systematic review and meta-analysis on the effectiveness of if-then plans – in a strict sense – to facilitate fruit and vegetable consumption in adults",
      "status": "propose-protocol",
      "publication_date": "2026-04-15",
      "reference_url": "https://doi.org/10.1186/s12966-026-01915-y"
    }
  ],
  "evidence_decisions": [
    {
      "id": "if-then-fruit-vegetable-boundary-2026",
      "decision": "propose-protocol",
      "reviewed_at": "2026-09-01",
      "source_title": "A systematic review and meta-analysis on the effectiveness of if-then plans – in a strict sense – to facilitate fruit and vegetable consumption in adults",
      "ledger_url": "https://brali-lifeos.github.io/evidence/if-then-fruit-vegetable-boundary-2026/"
    }
  ],
  "trusted_protocols": [],
  "resolution": null,
  "coverage": {
    "id": "nutrition",
    "title": "Nutrition",
    "domain_id": "health-energy",
    "status": "growth-gap",
    "entries": 0,
    "research_candidates": 1
  }
}