Sarah KnaptonJun 8, 2026 – 11.54amLondon | Regularly snacking on crisps, biscuits and other fatty, sugary foods significantly increases the risk of dementia, a study has shown.Harvard University found that a diet high in ultra-processed items, which also include ready meals, fizzy drinks, breakfast cereals and cured meats, raised the chance of developing dementia by 58 per cent.The Telegraph LondonSubscribe to gift this articleGift 5 articles to anyone you choose each month when you subscribe.Subscribe nowAlready a subscriber? Fetching latest articles
Ultra-processed foods linked to 58pc rise in dementia risk
Processed meats such as ham and bacon contribute the most to cognitive decline, a Harvard study finds.
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