Engaging in 150+ minutes of moderate activity (walking, swimming, gardening) weekly reduces dementia risk by 25% by improving blood flow, reducing inflammation and clearing brain toxins. Aim for 7-8 hours nightly; chronic under- or oversleeping raises dementia risk by disrupting brain detoxification (e.g., beta-amyloid clearance) and memory consolidation. Mediterranean/DASH diets (rich in antioxidants, omega-3s and healthy fats) protect against oxidative stress and neurodegeneration. Lifelong learning (reading, puzzles, music, strategic games) strengthens neural connections and builds cognitive reserve to delay decline. Meaningful social engagement combats isolation-linked brain shrinkage and supports emotional resilience, a key factor in long-term cognitive health. Dementia is one of the most…

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