In the first episode of this new series, the complexities of decision making capacity are discussed.  References and Further Reading: [1] Appelbaum, P. S. (2007). Assessment of patients' competence to consent to treatment. New England Journal of Medicine, 357(18), 1834-1840.   [2] Etchells, E., Darzins, P., Silberfeld, M., Singer, P. A., McKenny, J., Naglie, G., ... & Strang, D. (1999). Assessment of patient capacity to consent to treatment. Journal of general internal medicine, 14(1), 27-34.   Joint Centre for Bioethics - Aid to Capacity Evaluation (ACE)