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An anti-inflammatory diet may lower dementia risk, even in people with early signs of Alzheimer’s

Researchers followed more than 1,800 Swedish adults for up to 15 years and found lower dementia risk with diets that reduced inflammation.

  • A new study published in JAMA Network Open followed more than 1,800 adults in Sweden, finding that an anti-inflammatory diet is associated with a 29% lower risk of dementia.
  • Chronic, low-grade inflammation may damage blood vessels and nerve cells, prompting researchers to assess dietary inflammatory potential using food questionnaires over six years.
  • The diet emphasizes vegetables, fruits, nuts, legumes, and whole grains while limiting ultraprocessed foods, showing considerable overlap with the Mediterranean diet.
  • Emergency physician Leana Wen cautioned that as an observational study, these findings cannot prove diet prevented dementia, though they provide another reason to adopt healthy eating habits.
  • Regular physical activity remains among the most important lifestyle habits, alongside controlling blood pressure and avoiding smoking, all associated with better cognitive health.
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A new study suggests that a diet rich in anti-inflammatory foods may help people prevent dementia, especially if they are at high risk for Alzheimer's.

·Tehran, Iran (Islamic Republic of)
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Healthy eating habits may protect your brain as you age

Healthy eating may help protect the brain, even after early biological changes linked to Alzheimer’s disease have begun, a study suggests. Dr. Leana Wen explains.

·Atlanta, United States
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Stockholm – In a prospective observational study, seniors who ate a healthy diet were less likely to develop dementia, even when blood biomarkers for Alzheimer's disease were elevated. According to the publication, the most beneficial effect came from avoiding foods that promote inflammatory responses in the body (JAMA Network...).

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European Medical Journal broke the news on Monday, July 6, 2026.
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