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Michigan PFAS Exposure and Health Study (MiPEHS)
Michigan PFAS Exposure and Health Study (MiPEHS)
MiPEHS is a large, multiple year study designed to examine the health of residents in two west Michigan communities with past exposure to PFAS in their drinking water. View the MiPEHS timeline graphic.
It is one of the most comprehensive and cutting-edge investigations into the health effects of PFAS exposure being conducted in the country.
We can’t thank you enough!
The success of MiPEHS is not possible without our participants, who made important contributions to their community, as well as to scientific knowledge and public health.
The final numbers are in.
What we've learned so far.
The MiPEHS team is busy analyzing all the data collected during the three phases of the study. Results and reports will be shared as they are available. For more details, visit the Results and Reports page. Here are some highlights so far.
Highlights
- MiPEHS participants have very little or no PFAS currently in the water they are drinking.
- Like most people in the U.S., all MiPEHS participants had detectable concentrations of several PFAS in their blood, including PFOS and PFOA. PFOS and PFOA are two of the most studies PFAS.
- During the first phase of MiPEHS, participants had higher blood PFOS and PFOA concentrations than the general U.S. population.
- Blood PFAS concentrations change over time. Once exposure ends, blood PFOA and PFOS concentrations go down.
- Phase 1 data showed that participants with more PFAS in their blood had slightly lower levels of the thyroid hormone total triiodothyronine (TT3). These changes in TT3 were not big enough to need any medical treatment.