How tiny radioactive particles in the air affect heart health across the U.S.
A nationwide population-based study investigating the cardiovascular effects of exposure to particulate matter α-, β-, and γ-activities and individual radionuclides
Researchers are looking at whether breathing particulate air pollution that carries alpha, beta, or gamma radioactivity raises the risk of heart attacks, hospital visits, high blood pressure, and heart-related deaths for people across the United States.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Harvard University D/b/a Harvard School of Public Health NIH-funded |
| Lab location | 1 site (Boston, United States) |
| Project ID | NIH-11286826 on NIH RePORTER |
What this research studies
This project links decades of air-monitoring data on radioactive particles attached to fine particulate matter with national health records to look for heart-related harms. The team will use EPA RadNet measurements from many U.S. cities and compare short-term spikes and long-term exposure to hospital admissions, blood pressure measures, and mortality, including analyses focused on Medicare enrollees. They will examine alpha, beta, and gamma activities and specific radionuclides to see which radioactive components matter most. The goal is to find whether particle radioactivity increases the heart risks already tied to air pollution and to identify who is most affected.
Who could benefit from this research
Good fit: People of all ages living in U.S. communities covered by EPA RadNet monitors—especially older adults (Medicare beneficiaries) and individuals with existing heart or blood pressure conditions—are the most relevant groups for this research.
Not a fit: Individuals living outside monitored locations or those looking for immediate new treatments should not expect direct personal benefit from this observational, population-level work.
Why it matters
Potential benefit: If successful, this work could show whether radioactive parts of air pollution raise heart disease risk and guide public health steps to reduce harmful exposures.
How similar studies have performed: Earlier regional studies have reported links between particle radioactivity (notably gross β-activity) and blood pressure, oxidative stress, and heart outcomes, but nationwide, multi-radiation analyses like this are less common.
Where this research is happening
Boston, United States
- Harvard University D/b/a Harvard School of Public Health — Boston, United States (Active)
Researchers
- Principal investigator: Zanobetti, Antonella — Harvard University D/b/a Harvard School of Public Health
- Study coordinator: Zanobetti, Antonella
About this research
- This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
- Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
- For full project details, budget, and progress reports, visit the official NIH RePORTER page below.