Higher dietary magnesium intake is associated with larger brain volume and fewer white matter lesions, according to a study published in the European Journal of Nutrition. The findings suggest that magnesium, a mineral found in leafy greens, nuts, seeds, and legumes, may play a role in preserving brain structure as people age. Researchers analyzed data from a cohort of more than 6,000 participants over a period of several years, using dietary questionnaires and brain MRI scans to assess the relationship. The study adds to a body of research indicating that nutrition is a modifiable factor in cognitive resilience.
The observational study drew on data from a large, ongoing cohort of adults. Dietary intake of magnesium was estimated through validated food frequency questionnaires, and brain MRI scans were used to measure hippocampal volume and the burden of white matter hyperintensities, which are markers of small vessel disease. The researchers adjusted for potential confounding factors such as age, sex, total energy intake, and other nutrients. The study design does not prove causation, but the associations persisted after controlling for multiple variables...<<<
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