A person’s surroundings can significantly impact their brain health. Research at Wake Forest University School of Medicine has discovered that living in a neighborhood with social and environmental disadvantages may increase the risk of dementia. The study analyzed data from 679 adults and found that those living in polluted areas, poverty-stricken neighborhoods, and areas with limited access to healthcare had measurable differences in their brain structure.
These differences included thinner cortices, poor blood flow, and uneven circulation – changes often seen before memory problems appear. The effects were particularly pronounced among Black participants, who experienced vascular stress and tissue loss due to environmental injustices. The study suggests that long-term exposure to unequal environments can alter blood flow, raise inflammation, and erode brain tissue.
The researchers emphasize the need for broader action to improve brain health across communities. They argue that policy changes, such as cleaner air, safer housing, and better city planning, are necessary to address the root causes of disadvantage. By protecting the places people live, we can protect their brains. The study highlights the importance of considering place-based social factors in dementia research and calls for more investment in community programs and policies that promote healthy environments.
The findings of this study have significant implications for public health policy and highlight the need for a multifaceted approach to addressing dementia risk. By working together, we can create healthier communities and improve brain health across all demographics.
Source: https://www.earth.com/news/your-neighborhood-could-actually-change-how-your-brain-works