Is paternal BPA and BPS exposure hurting the next generation?

What's actually in it

BPA (Bisphenol A) and BPS (Bisphenol S) are chemicals used to make plastics. You find them in everything from food containers to personal care products. They are known as endocrine disruptors: chemicals that mess with your body's natural hormone signals.

While many people focus on the mother's exposure during pregnancy, peer-reviewed research proves that the father's exposure matters too. These chemicals don't just stay in the body of the person exposed. They can have lasting effects on the development and health of the next generation.

What the research says

A 2026 study in Environ Pollut found that when fathers are exposed to BPA and BPS, it leads to testicular dysfunction in their male offspring. The study showed that this exposure disrupts a specific transporter in the body called OCTN2, which is responsible for moving carnitine. This disruption creates oxidative stress and leads to cell death in the testes of the offspring.

This is not just about one chemical. Other research shows that the entire family of these chemicals is a problem. A 2026 study in Food Chem Toxicol confirms that we face cumulative risks from BPA, BPS, BPF, and BPAF when using everyday personal care products. When you add these exposures together, the risk to human health increases.

The science is clear: these chemicals are not safe, and their impact travels across generations.