Junk food can quickly mess with your memory. A recent study found that eating a high-fat diet for only four days can cause brain changes that affect memory. Specifically, neurons in the hippocampus become too active, disrupting normal memory function. The good news is that researchers were able to calm these overactive neurons by restoring glucose levels. This suggests that dietary changes or interventions like fasting could potentially repair the brain and protect against memory issues linked to obesity, and even conditions like Alzheimer’s disease.
find the original post here https://www.sciencedaily.com/releases/2025/09/250927031249.htm
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