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Ultraprocessed Foods Spike Dementia Risk
3 Jun
Summary
- Over two pounds of ultraprocessed foods daily increase dementia risk by 58%.
- Even moderate consumption of these foods poses a risk to brain health.
- Minimally processed foods, like fruits, significantly lower dementia risk.
New research from Harvard's T.H. Chan School of Public Health indicates a significant link between ultraprocessed food consumption and an increased risk of dementia. Individuals eating more than two pounds of these foods daily face a 58% higher risk of developing dementia and a 46% increased chance of cognitive impairment.
Even moderate consumption, about a pound or less daily, was found to be problematic for brain health. This suggests there may not be a truly safe level of intake for ultraprocessed items, which constitute about 70% of the American diet.
The study analyzed data from over 5,300 older adults over nearly a decade. Processed meats like bacon and ham were associated with the highest risk. While direct causation cannot be proven due to self-reported data, ultraprocessed foods are linked to dementia risk factors like obesity and cardiovascular disease.
Conversely, a diet prioritizing minimally processed foods, such as fruits and vegetables, was associated with a 41% lower risk of dementia. Experts advise moderation and balanced dietary choices to mitigate these risks.
