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Known for their rich content of alpha-linoleic acid (ALA) and omega-3 fatty acids, walnuts boast multiple heart-health benefits. Studies have shown that walnuts effectively lower total cholesterol and bad LDL cholesterol while enhancing good HDL cholesterol levels. They may also facilitate improvements in blood pressure and blood flow. Additionally, there’s emerging evidence suggesting walnut consumption could bolster cognitive functions, indicating their potential role in brain health.