 Many think that this is bad advice. Eating a banana does not cause Cheryl to get a migraine; it is a harmless pleasure. A number of authors have formulated versions of Causal Decision Theory (CDT) that aim to incorporate explicitly causal considerations (e.g., Gibbard &amp; Harper 1978; Joyce 1999; Lewis 1981; Skyrms 1980). Causal models provide a natural setting for CDT, an idea proposed by Meek and Glymour (1994) and developed by Hitchcock (2016), Pearl (2009: Chapter 4) and Stern (2017). The central idea is that the agent should treat her action as an intervention. This means that Cheryl should maximize her Causal Expected Utility: