Alzheimer’s disease affects millions worldwide, but new research suggests that everyday choices can lower the risk. At Harvard, scientists have tracked thousands of people for decades – and the findings show that even small habits can make a big difference.
Eat more plants every day

Vegetables, fruit, whole grains, and legumes provide key nutrients that support brain health and protect against decline.
Swap butter for olive oil

Plant-based oils, especially olive oil, are rich in healthy fats that strengthen the brain while protecting the heart.
Choose fish over red meat

Fatty fish like salmon, sardines, and mackerel supply omega-3s, which are vital for memory and learning.
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Cut back on sugar

Highly processed foods with added sugar put strain on the body and may harm brain function over time.
Avoid processed meats

Deli meats and red meat are linked to poorer brain health. Reducing intake can give the brain extra resilience.
Stay physically active

Regular exercise boosts blood flow to the brain and helps keep memory sharp.
Keep learning new things

Challenging the mind with new skills and activities supports neural connections and slows cognitive decline.
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Nurture social connections

Spending time with others stimulates the brain and lowers the risk of dementia.
Limit alcohol

Moderate intake may be safe, but too much alcohol damages brain cells and raises disease risk.
Build lasting routines

Protecting your brain isn’t about perfection – it’s about small, consistent habits that add up over time.
This article is based on information from Illustreret Videnskab and tidsskriftet Nature
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