David and Tamler talk about a new study that links your belief in free will to the fullness of your bladder. How do our bodily states influence our metaphysical commitments? What’s the best way to measure beliefs about free will? Can you get your prostate checked without having someone stick something in your private areas? Plus, an exclusive look at the shocking truth about social psychology experiments. LinksThe Philosophical Implications of the Urge to Urinate by Dan Ladkin, Scientific American Ent, M. R., & Baumeister, R. F. (2014). Embodied free will beliefs: Some effects of physical states on metaphysical opinions. Consciousness and Cognition, 27, 147-154.Free Will and Determinism Scale (Rakos, Laurene, Skala, & Slane, 2008, Behavior and Social Issues).