{
  "id": 9159359,
  "title": "Why repeated exposures may make allergies worse",
  "url": "https://urgent.news/2026/09/22/why-repeated-exposures-may-make-allergies-worse",
  "topic": "health",
  "section": "Health & Medicine",
  "published": "2026-09-22T15:00:04.000Z",
  "source": {
    "name": "Medical Xpress",
    "slug": "medical-xpress",
    "url": "https://medicalxpress.com/news/2026-09-exposures-allergies-worse.html"
  },
  "original_language": "en",
  "account": null,
  "summary": "A new preclinical study led by investigators from Mass General Brigham offers a potential explanation for two longstanding questions in allergy: Why do allergies often emerge only after repeated exposure, and why do people with one allergy frequently develop others? The findings are published in Immunity.",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}