How air pollution, heat, and green spaces affect Parkinson's symptoms and hospital visits

Characterizing the link between multiple environmental exposures and Parkinsons disease exacerbation

NIH-funded research Harvard University D/b/a Harvard School of Public Health · NIH-11137580

This work looks at whether air pollution, hot weather, and nearby green spaces change symptom flare-ups and hospital visits for older adults with Parkinson's disease.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionHarvard University D/b/a Harvard School of Public Health NIH-funded
Lab location1 site (Boston, United States)
Project IDNIH-11137580 on NIH RePORTER

What this research studies

The team will link U.S. national hospitalization records for people with Parkinson's to detailed environmental data on air pollution (including PM2.5 components), temperature, and neighborhood greenness. They will examine both short-term (days) and long-term (years) exposures and use advanced statistical methods to reduce confounding. The goal is to identify which environmental factors and which people are most likely to experience symptom worsening and hospital admissions. Results are intended to inform who might benefit from warnings or interventions and where to focus protective efforts.

Who could benefit from this research

Good fit: People aged 65 and older with a diagnosis of Parkinson's disease, especially those with recent symptom worsening or hospital admissions, are the most relevant group for these findings.

Not a fit: People without Parkinson's, younger individuals under 65, or anyone seeking a direct treatment from participation should not expect personal clinical benefit from this observational research.

Why it matters

Potential benefit: If successful, this could reveal modifiable environmental triggers and help reduce symptom flare-ups and hospitalizations among people with Parkinson's.

How similar studies have performed: A few smaller studies have suggested links between air pollution or heat and worse Parkinson's outcomes, but a nationwide analysis combining multiple exposures is novel.

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.
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.