Many people believe that living in a busy city is bad for health. Cities are often linked to noise, pollution, traffic, and stress.
Because of this, some people think that living in quieter, less developed areas is better for the heart and brain. However, a new study from the University of Michigan suggests that this idea may not always be true.
The research, published in the journal Cities & Health, found that people who live in more developed neighborhoods may actually have a lower risk of having a stroke for the first time. This finding challenges the common belief that urban living is always harmful to health.
A stroke happens when blood flow to the brain is blocked or reduced. This prevents brain cells from getting enough oxygen, which can lead to serious damage or even death. Stroke is one of the leading causes of disability and death worldwide.
Risk factors include high blood pressure, diabetes, smoking, and lack of physical activity. However, where a person lives may also play an important role.
To better understand this, researchers followed more than 25,000 adults across the United States for over ten years. The data came from a large project called REGARDS, which stands for REasons for Geographic And Racial Differences in Stroke.
This project focuses on understanding why stroke rates are higher in certain parts of the U.S., especially in the Southeast, often called the “stroke belt.” In this region, stroke deaths are more common, particularly among Black Americans.
Instead of simply labeling areas as “urban” or “rural,” the researchers used a more detailed approach. They used satellite images to measure how developed different neighborhoods were over time. This included looking at the number of buildings, roads, sidewalks, and other types of infrastructure within about five miles of where people lived.
By using this method, the researchers were able to see how changes in neighborhood development affected health over many years. They found that people living in areas with medium to high levels of development had a 2.5 percent lower risk of experiencing their first stroke compared to those living in less developed areas.
This difference may seem small, but when applied to large populations, it could mean many lives saved. Importantly, the researchers took into account other factors that could affect stroke risk, such as age, sex, race, income, and health conditions like high blood pressure and diabetes. Even after adjusting for these factors, the link between more developed areas and lower stroke risk remained.
So why might living in a more developed area be helpful? Although the study did not directly measure specific features, the researchers suggested several possible explanations. Areas with higher levels of development often have more services and resources nearby. These can include hospitals, clinics, grocery stores, public transport, parks, and safe walking paths.
People living in these areas may find it easier to stay active, get medical care, and access healthy food. For example, sidewalks and parks encourage walking and exercise, which are important for heart health.
Easy access to healthcare can help people manage conditions like high blood pressure before they become serious. Good transport options can also reduce isolation and improve overall wellbeing.
On the other hand, people living in less developed areas may face challenges such as limited access to healthcare, fewer places to exercise, and longer travel times to reach essential services. These factors can make it harder to maintain good health over time.
The lead researcher, Cathy Antonakos from the University of Michigan School of Kinesiology, explained that earlier studies on this topic gave mixed results.
One reason may be that they used simple categories like “city” or “countryside,” which do not capture the full picture. By using detailed satellite data and tracking changes over time, this study provides a clearer understanding of how living environments may influence health.
The researchers say that the next step is to identify exactly which features of developed neighborhoods are most helpful. This could include access to parks, walkable streets, or nearby healthcare services. Understanding these details could help city planners design healthier communities.
The findings also have practical meaning for doctors and public health workers. They suggest that health is not only shaped by personal choices and medical conditions, but also by the environment where people live. Considering neighborhood conditions may help improve prevention and care strategies.
However, it is important to understand the limits of this study. The research shows a connection between development and lower stroke risk, but it does not prove that development directly causes the reduced risk.
Other hidden factors may also play a role. In addition, the reduction in risk, while meaningful, is not very large, so it should be seen as one piece of a bigger picture.
Overall, this study offers a new way of thinking about health and where we live. It suggests that well-designed, developed neighborhoods with good access to services and safe spaces for activity may support better health.
Rather than focusing only on avoiding city life, the focus may need to shift toward improving the quality of our environments, whether urban or rural.
If you care about stroke, please read studies about how to eat to prevent stroke, and diets high in flavonoids could help reduce stroke risk.
For more health information, please see recent studies about how Mediterranean diet could protect your brain health, and wild blueberries can benefit your heart and brain.
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