Ultra‑processed foods cut attention dementia risk
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- Researchers analyzed dietary and cognitive data from more than 2,100 middle‑aged and older Australian adults without dementia.
- Ultra‑processed foods consumption was associated with lower scores on visual attention and processing speed tests, indicating poorer focus and slower mental processing.
- A 10 percent increase in ultra‑processed food intake—about one extra packet of chips per day—correlated with a measurable decline in attention performance.
- Participants derived roughly 41 percent of daily calories from ultra‑processed foods, matching the Australian average of 42 percent.
- Mediterranean‑style diet followers still showed the same negative relationship between ultra‑processed food intake and attention, suggesting processing level matters beyond overall diet quality.
- Higher ultra‑processed food intake was linked to increased dementia risk factors such as obesity and high blood pressure.
Why it matters: Older Australians risk reduced attention and higher dementia risk factors—including obesity and high blood pressure—as ultra‑processed foods erode focus, even among Mediterranean‑diet eaters, and these attention declines may serve as early warning signs of broader cognitive decline in the population.
