Summary: New research suggests that certain nutrients may lower iron buildup in the brain, a factor linked to cognitive decline in aging. Excess non-heme iron, which accumulates over time, contributes to oxidative stress and can impair memory and executive function.
Over three years, participants with higher intake of antioxidants, vitamins, and iron-chelating nutrients showed less brain iron accumulation and better cognitive performance. These findings highlight the potential of diets like the Mediterranean or DASH to support brain health and combat age-related cognitive decline.
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