What Drives Brain Disease? The Same Factors as Cardiovascular Risk

There is growing evidence supporting the tight relationship between lifestyle choices and brain disease. Across the literature, the recommendations are remarkably consistent with those used to reduce vascular disease. In simple terms, brain disease can be thought of as the same underlying process as heart disease, just occurring in a different organ, with dementia representing the clinical signs and symptoms. Research shows that unhealthy lifestyle patterns, such as physical inactivity, poor diet, smoking, and unmanaged chronic conditions like hypertension, diabetes, and high cholesterol, are associated with a higher risk of dementia, particularly vascular and mixed subtypes, while protective factors include a Mediterranean diet, cognitive engagement, social connection, and quality sleep (Rosenau et al., 2025). Additional evidence suggests that obesity may accelerate the progression of Alzheimer’s disease, with biomarkers worsening at nearly twice the rate compared to individuals without obesity (Thompson, 2025). Taken together, these findings reinforce a clear and actionable insight: strategies designed to reduce cardiovascular spend and risk also deliver meaningful benefits for brain health across the lifespan.

Rosenau, C., Neuffer, J., Köhler, S., Helmer, C., Le Grand, Q., Mishra, A., Debette, S., Trégouët, D.-A., Deckers, K., & Samieri, C. (2025). Updated lifestyle for brain health (LIBRA2) score, genetics, and risk of Alzheimer disease, vascular dementia, and stroke in older adults. Neurology, 105(10), e214312. https://doi.org/10.1212/WNL.0000000000214312

Thompson, D. (2025, December 2). Obesity could speed Alzheimer’s progression, study suggests. HealthDay. https://doi.org/10.1037/healthday.2025.12.02