{
  "status": "PASS",
  "checked_projects": 29,
  "selected": {
    "title": "Vì Sao Ăn Kem Lạnh Có Thể Khiến Đầu Bạn Đau Buốt?",
    "modern_hook": "Đau nhói trán vài giây sau khi ăn hoặc uống quá lạnh",
    "mechanism": "Cold stimulation of palate/pharynx, trigeminal signaling and referred pain; vascular account treated as incomplete",
    "evidence_family": "cold-stimulus headache, trigeminal pathways, migraine susceptibility",
    "practical_payoff": "slow exposure, warm palate, distinguish typical brief episode from red flags"
  },
  "closest_old_topics": [
    {
      "project": "020",
      "reason": "Both involve head/ear sensory pathways, but self-voice is air/bone conduction and auditory familiarity, not cold nociception."
    },
    {
      "project": "025",
      "reason": "Both can involve discomfort and autonomic sensations, but motion sickness is visual-vestibular conflict, not trigeminal cold-stimulus headache."
    },
    {
      "project": "027",
      "reason": "Both are stimulus-triggered cranial reflex experiences, but photic sneeze is light-to-sneeze cross-activation, not cold palate referred pain."
    }
  ],
  "literal_collision": false,
  "mechanism_collision": false,
  "verified_at": "2026-07-17T23:07:18.112257+00:00"
}