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2022 Pilot Awards for Global Brain Health Leaders (GBHI)

Climate Change, Ecological Stress and Brain Health in Indigenous People

Can stress related to global warming impact dementia risk in Indigenous people?

Susanne Röhr, Ph.D.
University of New South Wales
Sydney, Australia



Background

Studies have shown that stress can disrupt brain nerve cell networks, including those involved in brain function. Over time, these disruptions in nerve cell networks can accumulate and cause long-term brain damage. Additionally, chronic stress can lead to brain changes that are similar to early brain aging and may put individuals at a higher risk for developing dementia, especially in underserved populations. However, the impact of chronic stress as a result of global warming on brain health, aging, and dementia risk is largely unknown.

Research Plan

Dr. Susanne Röhr and colleagues will study the impact of chronic stress related to global warming events on brain health in older Indigenous Torres Strait Islanders in Queensland Australia. The team will recruit 10 individuals aged 45 and older to participate in the study, where the team will conduct culturally appropriate interviews to examine how climate change impacts social and environmental risk factors for dementia. Lastly, the researchers will use visual storytelling to disseminate their findings to bring awareness on the  impact of climate change on brain health in Indigenous people.

Impact

The results of this study may provide insights into how stress associated with global warming impacts brain health and risk of dementia in older Indigenous people. If successful, the findings may also help to address determinants of cognitive disparities in underserved populations.

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