Blood sugar swings risk brain health

The article emphasizes the importance of controlling blood sugar levels to maintain brain health, especially with aging. It explains that the brain primarily relies on glucose as its energy source, and that disturbances in blood sugar levels—whether high or low—can negatively affect cognitive functions such as memory and concentration. These fluctuations may also increase the risk of neurological diseases like dementia and Alzheimer's disease. The article indicates that ongoing blood sugar instability, not just elevated levels, harms brain health; chronic high blood sugar leads to inflammation and nerve cell deterioration, while low blood sugar causes structural changes affecting areas such as the hippocampus and the cerebral cortex. It recommends keeping blood sugar levels between 70 and 180 mg/dL through balanced meals, post-meal activity, sufficient sleep, and other healthy habits to help protect brain functions and reduce the decline associated with sugar level fluctuations.

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