Published on: 3/5/2025
Foods that are high in sugar, unhealthy fats, and heavy processing may hurt brain function over time and increase the risk of memory loss.
Research shows that certain foods can be harmful to your memory and brain health. First, sugary snacks and drinks can cause quick spikes in blood sugar, which over time may lead to inflammation in the brain. Second, fried foods that are high in saturated and trans fats can make it harder for your brain to work well. Third, processed meats like hot dogs and sausage often have additives and unhealthy fats that may develop brain function. Fourth, refined carbohydrates such as white bread and pastries cause a rapid rise and fall in blood sugar, which might be bad for long-term memory. Finally, fast foods and junk foods, which usually contain a mix of high sugar, salt, and fats, may damage the protective barrier in your brain, leading to memory issues. Choosing a diet rich in whole foods like fruits, vegetables, whole grains, and lean proteins can help protect your brain and support better memory over time.
(References)
Hu N, Yu JT, Tan L, Wang YL, Sun L, Tan L. Nutrition and the risk of Alzheimer's disease. Biomed Res Int. 2013;2013:524820. doi: 10.1155/2013/524820. Epub 2013 Jun 20. PMID: 23865055; PMCID: PMC3705810.
Melo van Lent D, Samieri C, Grodstein F, Seshadri S. Empirical Dietary Inflammatory Pattern Scores Are Not Associated with Worse Cognitive Performance in the Nurses' Health Study. J Nutr. 2022 Nov;152(11):2526-2533. doi: 10.1093/jn/nxac157. Epub 2022 Jul 26. PMID: 36774118; PMCID: PMC9644169.
Beilharz JE, Maniam J, Morris MJ. Diet-Induced Cognitive Deficits: The Role of Fat and Sugar, Potential Mechanisms and Nutritional Interventions. Nutrients. 2015 Aug 12;7(8):6719-38. doi: 10.3390/nu7085307. PMID: 26274972; PMCID: PMC4555146.
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