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  "path": "/news/2026-06-motherhood-lifelong-brain-dopamine-linked.html",
  "publishedAt": "2026-06-04T10:40:06.000Z",
  "site": "https://medicalxpress.com",
  "textContent": "Becoming a mother changes the brain not just temporarily, but for life. Pregnancy and the postpartum period trigger lasting changes in the maternal brain through the brain chemical dopamine, producing long-term benefits to learning, memory, and maternal behavior, a process disrupted by chronic postpartum stress.",
  "title": "Motherhood leaves lifelong brain marks via dopamine-linked epigenetic switch, mouse study suggests"
}