The impact of airborne metals on dementia and cognitive decline.

Airborne metals, neurodegeneration, and dementia in the Adult Changes in Thought study

NIH-funded research Tufts University Medford · NIH-10929445

This study is looking at how breathing in tiny bits of metal and pollution might affect brain health and lead to dementia in older adults, using data and brain samples from a long-term study on thinking and memory.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionTufts University Medford NIH-funded
Lab location1 site (Boston, UNITED STATES)
Project IDNIH-10929445 on NIH RePORTER

What this research studies

This research investigates how exposure to airborne metals and fine particulate matter (PM2.5) may contribute to the development of dementia and cognitive decline. By utilizing data from the Adult Changes in Thought study, which has been tracking brain health in older adults since 1994, the researchers will analyze brain tissue samples and cognitive assessments to identify potential pathways linking air pollution to neurodegeneration. The study aims to characterize pollutant concentrations in specific brain regions and assess their relationship with dementia onset and cognitive function over time.

Who could benefit from this research

Good fit: Ideal candidates for this research are older adults who are cognitively intact and willing to participate in long-term follow-up assessments related to brain health.

Not a fit: Patients who are already diagnosed with advanced dementia or those under 21 years old may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to improved understanding of environmental factors contributing to dementia, potentially guiding public health interventions and preventive strategies.

How similar studies have performed: Previous research has indicated a link between air pollution and cognitive decline, suggesting that this study builds on established findings while exploring new pathways.

Where this research is happening

Boston, UNITED STATES

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Conditions Alzheimer disease dementiaAlzheimer syndromeAlzheimer's Disease
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.