S3 EP01 | How PFAS Get Inside Us: How PFAS Get Inside the Human Body

In this episode, we begin Season 3 by exploring one of the most important questions about PFAS: How do these forever chemicals get inside the human body? Once PFAS enter the environment, they can reach people through several everyday pathways. Drinking water is one of the most studied sources, but exposure can also come from food, household dust, personal care products, and even before birth. Understanding these pathways helps explain why PFAS exposure is so widespread and why it affects people far beyond industrial areas.We break down how PFAS move from contaminated water into food, including vegetables, livestock, dairy products, and fish. We also discuss how PFAS can be released from stain-resistant fabrics, carpets, and other household products into indoor dust, where they can be inhaled or accidentally swallowed. Some cosmetics and personal care products have also been found to contain PFAS, creating another route of exposure. Research has even shown that PFAS can cross the placenta during pregnancy and have been detected in breast milk, highlighting how exposure can begin before birth.The episode also explains what happens after PFAS enter the body. Unlike many other chemicals, PFAS bind to proteins in the blood instead of being stored mainly in fat. Some types remain in the body for years, allowing levels to build up over time through repeated exposure. This episode emphasizes that PFAS exposure is not the result of personal choices alone but of larger environmental systems, manufacturing practices, and everyday products. By understanding how exposure happens, we can have more informed conversations about prevention, public health, and long-term solutions.In the next episode, we explore what current scientific research says about the health effects of PFAS, including their potential impact on the immune system, hormones, cholesterol, and long-term health, especially in children and teenagers.