Scientists from Smith College in Northampton found that Living in areas with greater greenspace is tied to a lower risk for stroke.
The research is published in the Journal of Patient-Centered Research and Reviews and was conducted by Heloise Cheruvalath et al.
In the study, the team assessed whether residential greenspace is an independent stroke risk factor.
The analysis included 1,174 stroke and 4,696 control patients over a three-year period from Milwaukee County, Wisconsin.
Greenspace was estimated using the normalized difference vegetation index (NDVI) for a 250-m radius surrounding the participant’s residence.
The researchers found an inverse correlation between NDVI and stroke risk, with lower odds of stroke for patients living in the highest greenspace quartile versus the lowest quartile.
Patients living in the most deprived quartile had greater stroke risk than those living in the least deprived quartile.
The team says that stroke risk can now be added to the growing list of health issues impacted by residential greenspace.
The data also confirmed neighborhood disadvantage as a risk factor for stroke, further suggesting the environment in which people live is an independent risk factor for stroke.
This is important from a public health perspective. Greenspace is a readily modifiable environmental factor that should be protected and expanded in the face of relentless urbanization.
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