University of Michigan Study Links Developed Neighborhoods to Lower Stroke Risk

A University of Michigan study suggests that living in more intensely developed neighborhoods may reduce the risk of stroke. The research tracked over 25,000 adults across the United States for more than a decade.

Residents in areas with higher levels of development, characterized by increased buildings, sidewalks, and infrastructure, had a 2.5% lower risk of experiencing a first-time stroke compared to residents in less developed areas.

Key Findings

• The study found that residents in areas with higher levels of development, identified by increased buildings, sidewalks, and infrastructure, had a 2.5% lower risk of experiencing a first-time stroke compared to those in less developed areas.
• The study utilized data from the REGARDS (REasons for Geographic And Racial Differences in Stroke) study, which focuses on health disparities in the "stroke belt" region of the Southeastern U.S.
• Researchers employed an innovative approach, using satellite data to measure development intensity over time in 5-mile road networks around residential locations, moving beyond static urban/rural classifications.
• Significantly, the link between high/medium intensity development and reduced stroke risk persisted even after accounting for individual factors such as age, race, sex, diabetes, and high blood pressure.

Why Development Matters: Explanations and Applications

High-intensity development typically includes greater housing density and more commercial/retail outlets. These areas often feature compact land uses with improved access to healthcare, food stores, public transport, and physical activity infrastructure like sidewalks, bike facilities, and parks. These environmental factors are believed to contribute to better cardiovascular health.

For Physicians:
The study indicates that neighborhood-level factors, in addition to individual patient factors, may play a crucial role in influencing first-time stroke risk. This suggests a broader perspective may be beneficial in patient risk assessment.

For Urban Planners:
The findings offer a compelling argument for intentional urban design. They suggest that enhancing environments with features supporting cardiovascular health and promoting physical activity—such as robust public transport, walkable streets, and accessible green spaces—could actively help lower the risk of first-time stroke across communities.