Abstract

Alzheimer’s disease (AD) disproportionately impacts Black Americans, who are three times more likely to develop AD. While heart-healthy diets have shown potential in reducing AD risk, research on adapted dietary interventions for Black American communities remains limited. This pilot study assessed the feasibility and acceptability of an adapted brain healthy diet intervention (MIND + SOUL) and explored changes in cardiometabolic risk and cognition. Twenty-nine participants completed the 12-week intervention, which included culturally tailored health education, cooking classes, health coaching, and groceries. Feasibility was assessed by attendance and retention rates, while acceptability was measured by two questionnaires. Participants had a mean age of 70.3, with 10.3% male. The intervention demonstrated high feasibility (89.3% retention) and acceptability (mean = 71.9, SD = 8.59), with meaningful improvements in body mass index (estimate = −0.54, P = 0.009), dietary intake (estimate = 28.39, P = 0.042), and executive function (estimate = 3.32, P < 0.001). However, no significant changes in blood-based biomarkers were observed. The MIND + SOUL intervention demonstrated high feasibility and acceptability, improvements in body composition, cognitive function, and dietary behaviors, despite no significant changes in blood-based biomarkers. Findings suggest potential benefits for reducing AD risk factors and promoting healthy aging. Clinical Trials Registry: ClinicalTrials.Gov; NCT05414682.

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