Can eating walnuts help lower the risk of dementia?

Walnuts may help people with dementia due to their high omega-3 fatty acids, antioxidants, and polyphenols, which combat oxidative stress and inflammation key factors in cognitive decline, explained expert nutritionist Garima Dev Verman. Studies on animals and humans suggest daily consumption (1-2 oz) improves memory and brain function, potentially delaying Alzheimer's progression.