Nutritional strategies to reduce Alzheimer's disease risk and slow cognitive decline.
Dietary and nutritional approaches to reduce Alzheimer's disease risk through prevention of amyloid accumulation, neuroinflammation, and vascular dysfunction. Multiple nutritional factors demonstrate protective effects against cognitive decline and dementia.
Alzheimer's disease involves complex pathology including amyloid-beta accumulation, tau tangles, chronic neuroinflammation, and vascular dysfunction, all influenced by nutrition and lifestyle. The MIND diet—a hybrid of Mediterranean and DASH diets—shows the strongest evidence for Alzheimer's prevention, emphasizing leafy greens, berries, nuts, fish, and whole grains while limiting processed foods and saturated fats. Antioxidants combat oxidative stress that damages neurons, while omega-3s support synaptic plasticity and reduce amyloid pathology. Adequate B vitamins lower homocysteine, an independent risk factor for dementia. Emerging evidence supports ketone bodies from medium-chain triglycerides and fasting-mimicking protocols as alternative fuel sources for vulnerable neurons. Early intervention in midlife, before cognitive decline appears, offers the greatest preventive benefit.
Reduces amyloid accumulation, neuroinflammation, oxidative stress, and vascular dysfunction to prevent Alzheimer's pathology.
Adopt the MIND diet by consuming 6+ servings weekly of leafy greens, 2+ servings of berries, nuts daily, and fish at least once weekly. Minimize saturated fat, trans fats, cheese, and processed foods which promote neuroinflammation. Include turmeric, berries, dark chocolate, and green tea for polyphenols; ensure adequate B12, folate, and B6 to keep homocysteine low.
The MIND diet combining anti-inflammatory Mediterranean and DASH principles offers evidence-based Alzheimer's prevention through targeted nutrition.
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