{
  "id": 18013516,
  "title": "A possible chemical explanation for why we give up on tough tasks",
  "url": "https://urgent.news/2026/11/03/a-possible-chemical-explanation-for-why-we-give-up-on-tough-tasks",
  "topic": "science",
  "section": "Science",
  "published": "2026-11-03T19:20:14.000Z",
  "source": {
    "name": "Medical Xpress",
    "slug": "medical-xpress",
    "url": "https://medicalxpress.com/news/2026-11-chemical-explanation-tough-tasks.html"
  },
  "original_language": "en",
  "account": null,
  "summary": "When we engage our brains in a mentally taxing task, we eventually reach a point where we hit a wall or run on empty. Even when the rewards of finishing are obvious, we often find ourselves simply stopping. Exactly why this happens has long remained a mystery. We can easily point to tiredness or lack of motivation, but what is driving this disengagement at a biological level?",
  "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."
}