How can long-term obesity affect brain tissue and cognitive decline?

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Close-up of hands using a measuring tape to measure the waist circumference of an obese man wearing a white shirt and beige pants. — obesity The excessive accumulation of body fat can cause serious medical conditions.

Long-term obesity is a serious medical condition that significantly impacts neurological health and cognitive function. Research indicates that excess body fat is linked to the atrophy of brain tissue, specifically within the frontal and temporal lobes.1

This reduction in brain size is associated with a BMI of 25 or higher, which places individuals at an increased risk for dementia, including Alzheimer disease. Furthermore, the deterioration of cardiovascular health caused by obesity—often manifesting as hypertension and diabetes—contributes to accelerated cognitive decline as individuals age.1

It is essential to recognize that obesity is not merely an aesthetic concern but a complex medical disorder that requires proactive management to protect long-term physical and cognitive well-being.1