PFAS Is Raising Blood Sugar in Healthy Older Adults
NonToxCo Research
Science & Safety Team · 4/7/2026
Healthy older adults with higher PFAS exposure had elevated fasting blood sugar, glycated proteins, and other markers that signal metabolic trouble. These people weren't diabetic. The chemicals were pushing them toward it.
What the Study Found
A 2026 study in Environ Sci Technol followed 76 healthy adults aged 60 to 69 over five monthly blood draws in Jinan, China. They measured nine PFAS compounds and five markers of blood sugar metabolism.
PFBA (perfluorobutanoic acid) was associated with increases in all five glycometabolic markers. PFDA and PFHxS raised fasting plasma glucose and glycated serum protein. The PFAS mixture effect was synergistic, meaning the combined impact was worse than individual chemicals alone.
48 Pathways Disrupted
Using multiomics analysis, researchers identified 48 biological pathways that PFAS disrupts to cause these metabolic changes. This isn't a vague association. The molecular machinery connecting PFAS to blood sugar disruption is extensive and well-mapped.
Why This Matters
Type 2 diabetes is already an epidemic. If ubiquitous chemical exposure is quietly pushing people's blood sugar up, even before they show symptoms, the true scope of the problem is much larger than lifestyle factors alone can explain.
Older adults are especially vulnerable because they've had decades of PFAS accumulation and their metabolic systems are already under stress.
What You Can Do
Filter your water. Avoid nonstick cookware and stain-resistant products. Choose food in glass over plastic. Every reduction in PFAS exposure helps protect your metabolism. Browse non-toxic home essentials for safer alternatives.
Also see non-toxic kitchen essentials for safer alternatives.