Ellie Murray and Lucy D'Agostino McGowan chat with Matt Fox from the Departments of Epidemiology and Global Health at Boston University. Here are some links to the content we talk about in this episode: ? Paper discussing a null association between smoking during pregnancy and breast cancer risk ? Matt's textbook on quantitative bias analysis ? Bias analysis website: sites.google.com/site/biasanalysis/ ? Global news Wang and Blei's The Blessing of Multiple Causes Obgurn, Shpitser, and Tchetgen Tchetgen's Comment D'Amour's Comment In this week's global news segment we mentioned M-bias. Here is an example DAG of this phenomenon: Follow along on Twitter: The American Journal of Epidemiology: @AmJEpi Ellie: @EpiEllie Lucy: @LucyStats Matt: @ProfMattFox ? Our intro/outro music is courtesy of Joseph McDade.?‍? Our artwork is by Allison Horst.