Are PFOS causing cellular inflammation in the body?

What's actually in it

PFOS (perfluorooctane sulfonate) is a type of PFAS, often called forever chemicals. These substances are used in many common household products to repel water and grease. They don't break down in the environment, and once they get into your body, they stay there.

Scientists have found that these chemicals aren't just sitting in your system. They actively interfere with your cells. Specifically, PFOS forces your cells to undergo a process called pyroptosis. This is a violent, inflammatory type of cell death that causes the cell to burst and release harmful signals to the rest of your body.

What the research says

A 2026 study in Environ Pollut found that PFOS directly drives this cell death process. The research shows that PFOS activates specific proteins, known as GSDMD and GSDME, through a pathway involving Caspase-8.

This inflammatory chain reaction is not just a lab theory. The study links this process to the development of retinal disease. By forcing cells to die in an inflammatory way, PFOS causes real, measurable damage to the body. This peer-reviewed study provides clear evidence that these chemicals are far from harmless.