Perfluorinated compounds (PFCs) have been used in some of our favourite products including waterproof clothing and non stick pans, but their persistence means they're found all over the globe, in wildlife and in our blood and other tissues. As the amount of research showing the harmful effects of these widely used chemicals grows, many of them are still in use - including in … [Read more...] about PFCs: In our blood, in polar bears – and in packets of microwave popcorn! (updated with Danish controls)