Some interesting analysis about non-stick pan coatings. If the pan is overheated, the coating will decompose and may release hazardous chemicals. Typical stoves can overheat a non-stick pan surprisingly fast, in just 10 minutes or less if put on high.
20190502/https://www.goodhousekeeping.com/cooking-tools/cookware-reviews/a17426/nonstick-cookware-safety-facts/