To ImaofThree who asked for links telling why plastic could be dangerous, JohnsHopkinshealthalerts gave this answer:
“Question: What about cooking with plastics?
Answer:
If you are cooking with plastics or using plastic utensils, the best thing to do is to follow the directions and only use plastics that are specifically meant for cooking. Inert containers are best, for example heat-resistant glass, ceramics and good old stainless steel.”
This interview with Dr. Halden is an excerpt from a Johns Hopkins Medicine press release.