Dioxins are a category of persistent organic pollutant (POP), with a long history of human exposure and serious adverse health and environmental effects. Where did this forever chemical come from, and how did it end up in the dinner of Ukrainian President Viktor Yushchenko in 2004? Join us as we discuss the long-lasting legacy of this class of compounds that was banned in 2001, but remains forever in our hearts (and lipid tissues, and ecosystem).