PolicyBrief
H.R. 4903
119th CongressAug 5th 2025
Plastic Health Research Act
IN COMMITTEE

This Act establishes and funds federal research programs and specialized Centers of Excellence to investigate the health effects of plastic exposure on humans.

Haley Stevens
D

Haley Stevens

Representative

MI-11

LEGISLATION

Plastic Health Research Act Authorizes $20M Annually Through 2030 to Study Microplastic Health Risks

The Plastic Health Research Act is essentially a federal mandate to stop guessing and start measuring when it comes to plastics and your health. This bill directs the Department of Health and Human Services (HHS) to significantly crank up research into how exposure to macroplastics, microplastics, and nanoplastics affects the human body. The goal isn't just to study it—it’s to standardize the science so we can actually get reliable answers.

The Science Upgrade: Standardizing the Small Stuff

Right now, if you read a study about microplastics, it might be using different definitions or testing methods than the next study, making comparisons almost impossible. This bill aims to fix that. It specifically requires HHS, in collaboration with agencies like the EPA and FDA, to prioritize research that develops standardized definitions for microplastics and nanoplastics and creates reproducible testing methods. This is huge because it means future public health decisions—the kind that might affect our water, food packaging, or workplace safety—will be based on solid, comparable data. For the person working in manufacturing or the parent worried about what’s in their kid’s lunch, this means the government is finally committing to getting reliable answers, not just more studies.

Where the Money Goes: $20 Million for Answers

The bill authorizes $10 million annually for general research expansion and another $10 million annually for establishing specialized Centers of Excellence for Plastic Health Research, running from fiscal years 2026 through 2030. These centers are tasked with improving the quality of health effect studies, figuring out potential links between plastic exposure and specific health problems, and communicating those findings clearly to the public. If you’ve ever wondered if the plastic water bottle you use or the synthetic fibers in your clothes are impacting your health, these centers are designed to find out.

From Lab to Real Life: Who Benefits?

This is a research bill, so it doesn't immediately change any regulations, but it lays the groundwork for future changes. The bill defines “plastic exposure” broadly, covering everything from manufacturing and work environments to consumer use, recycling, and waste disposal. This means the research will cover everyone: the construction worker handling plastic materials all day, the office worker using countless plastic products, and the environmental scientist trying to understand ocean pollution. By requiring the Secretary to share findings with the EPA and FDA, the bill ensures that this new, high-quality data can actually inform future regulatory decisions about product safety and environmental standards. Furthermore, HHS must report back to Congress and the public annually for five years on the progress, which is a key measure for transparency and accountability.