So people kind of knew asbestos was harmful wayyy before it mostly stopped being used in 1979 (USA). But, it was still used constantly in many industries and ended up everywhere. What do you think is an example of something we find out is DRASTICALLY harmful 10-50 years from now? My guess would be screen time.
Everything wears out, regardless of temperature. Sure Teflon lasts a good long time as long as certain temperatures aren’t exceeded, but even at room temperature/dishwashing temperature, particles of those molecules are still gonna wear off, and they don’t just randomly vanish.
What’s that stink you smell out of your vacuum cleaner? Well yeah, lots of dust and dead skin cells and such, but also all the other toxic debris gradually wearing away from our household items and whatnot…