Study: Ultra-Processed Foods Harm Brain Health, Especially Sugary Drinks and Processed Meats

A new study warns about the cognitive risks of ultra-processed foods. Cut back on sugary drinks and processed meats to protect your brain health.

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2025 November 3 . 1:12 AM

1 min read

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Study: Ultra-Processed Foods Harm Brain Health, Especially Sugary Drinks and Processed Meats

A new study published in The American Journal of Clinical Nutrition has shed light on the impact of ultra-processed foods on cognitive health. While the overall share of these foods in one's diet did not show a strong correlation with cognitive impairment, specific items like processed meats and sugary drinks were found to be particularly harmful.

Researchers at Virginia Tech discovered that consuming one extra daily serving of sugary beverages increases the risk of cognitive impairment by 6%. Similarly, one extra serving of processed meats, such as sausages and deli meats, raises this risk by a significant 17%. The study identified these items as the most damaging for brain health, with snacks, sweets, and dairy products posing less risk.

The study highlights the alarming prevalence of ultra-processed foods in American diets. About 65% of all food products and 38% of beverages purchased fall under this category, containing artificial colors, flavors, and additives not found in homemade meals. Convenience foods like frozen and ready-to-eat meals, pizza, and cheese-based snacks are among the most purchased. The study authors suggest teaching people to cook healthy meals as a solution to reduce consumption of these harmful foods.

The study underscores the importance of limiting processed meats and sugary drinks to maintain mental clarity and reduce the risk of cognitive decline. While the overall consumption of ultra-processed foods may not directly correlate with cognitive impairment, the specific items identified in the study should be consumed mindfully. Educating the public on healthy cooking habits can play a crucial role in mitigating these risks.