{
  "id": 14990163,
  "title": "Small Dogs Tend to Live Longer Than Big Dogs. Scientists Say They Might Finally Know Why—and It Goes to the Molecular Level",
  "url": "https://urgent.news/2026/10/16/small-dogs-tend-to-live-longer-than-big-dogs-scientists-say-they",
  "topic": "science",
  "section": "Science",
  "published": "2026-10-16T16:00:00.000Z",
  "source": {
    "name": "Smithsonian",
    "slug": "smithsonian",
    "url": "https://www.smithsonianmag.com/smart-news/small-dogs-tend-to-live-longer-than-big-dogs-scientists-say-they-might-finally-know-why-and-it-goes-to-the-molecular-level-180989695/"
  },
  "original_language": "en",
  "account": null,
  "summary": "Larger breeds like Great Danes seem to accumulate changes to chemical tags on their DNA more quickly than tinier breeds, such as chihuahuas. These alterations allow potentially harmful 'jumping genes' to move around their genomes",
  "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."
}