Study Links Prenatal Inflammation and PFAS Exposure to Type 1 Diabetes Risk

New research drawing on data from the All Babies in Southeast Sweden (ABIS) study suggests that processes occurring before birth may influence the later development of type 1 diabetes. The analysis, published in Nature Communications, found that certain proteins present in newborns were associated with a higher likelihood of developing the disease later in life. These proteins were connected to heightened inflammatory activity and elevated levels of substances such as fatty acids and per- and polyfluoroalkyl substances (PFAS).

Importantly, the relationship between PFAS exposure and inflammation-related proteins was observed even at relatively low exposure levels, indicating that minimal environmental contact may still affect immune signaling from birth. Researchers note that this supports the idea that type 1 diabetes can begin developing very early, potentially before symptoms or immune changes are detectable.

As rates of type 1 diabetes have risen globally for decades, the findings offer new insight into possible environmental contributors. Identifying these early biomarkers could eventually help flag individuals at greater risk and inform preventive strategies.

19-01-2026