Higher BMI and high blood pressure directly linked to increased risk of vascular dementia, study finds A groundbreaking study using Mendelian randomization (analyzing 500,000+ participants) proves obesity and high blood pressure directly cause vascular dementia. Each 5-point BMI increase raises dementia risk, while hypertension accounts for 25% of obesity-related risk. Systolic blood pressure spikes (per standard deviation) increase dementia odds 2.56 times. Unlike Alzheimer’s (protein buildup), vascular dementia stems from impaired blood flow due to strokes, diabetes, or hypertension. Symptoms include memory loss, confusion and impaired judgment, often worsening in steps after vascular events. GLP-1 agonists (e.g., Wegovy) show no…

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