Why non stick pans are bad?

Online Answer
Generally speaking, Teflon is a safe and stable compound. However, at temperatures above 570°F (300°C), Teflon coatings on nonstick cookware start to break down, releasing toxic chemicals into the air ( 14 ). Inhaling these fumes may lead to polymer fume fever, also known as the Teflon flu.
Related Questions 📌
The chemical name for Teflon is PTFE. In the past PTFE also contained the substance PFOA. ... Since then, a legal prohibition has been imposed on the use of PFOA. As a result, this substance has not been used in consumer products for years.
Most nonstick pans are coated with polytetrafluoroethylene, also known as Teflon. And there are a lot of rumors out there that Teflon might be toxic and that these pans may not be safe to use. ... The good news is that ingesting small flakes of nonstick coating is not dangerous.
So to summarize: T-fal is a brand of cookware and Teflon is a brand of non-stick coating on cookware. They are not the same..
Many pieces of cookware in the Rachael Ray line feature easy-to-clean nonstick coatings that are free of PFOA (perfluorooctanoic acid), a harmful chemical found in Teflon. However, there are also traditional sets that use stainless steel and anodized aluminum.
So to summarize: T-fal is a brand of cookware and Teflon is a brand of non-stick coating on cookware. They are not the same..