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  "path": "/news/2026-03-mri-syndrome-brain-lesions.html",
  "publishedAt": "2026-03-19T17:20:02.000Z",
  "site": "https://medicalxpress.com",
  "textContent": "What has long been interpreted as permanent and irreversible vascular damage may not be exclusively so. In people with Down syndrome—one of the most robust populations for studying Alzheimer's disease due to the near-universal presence of the characteristic proteinopathies of this dementia from the age of 40—some lesions visible on magnetic resonance imaging do not follow a linear course.",
  "title": "MRI study finds Down syndrome brain lesions can shrink over time"
}